div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page1jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page2jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page3jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page4jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page5jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails5jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page6jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails6jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page7jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails7jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page8jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails8jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page9jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails9jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page10jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails10jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page11jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails11jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page12jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails12jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page13jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails13jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page14jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails14jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page15jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails15jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page16jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails16jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page17jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails17jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page18jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails18jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page19jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails19jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page20jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails20jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page21jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails21jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page22jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails22jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page23jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails23jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page24jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails24jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page25jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=25 data-page=25 class=ts-thumb lazyload alt=Page 25: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails25jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page26jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=26 data-page=26 class=ts-thumb lazyload alt=Page 26: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails26jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page27jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails27jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page28jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=28 data-page=28 class=ts-thumb lazyload alt=Page 28: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails28jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page29jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=29 data-page=29 class=ts-thumb lazyload alt=Page 29: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails29jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page30jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=30 data-page=30 class=ts-thumb lazyload alt=Page 30: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails30jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=31Page 31button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page31jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=31 data-page=31 class=ts-thumb lazyload alt=Page 31: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails31jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=32Page 32button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page32jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=32 data-page=32 class=ts-thumb lazyload alt=Page 32: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails32jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=33Page 33button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page33jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=33 data-page=33 class=ts-thumb lazyload alt=Page 33: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails33jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=34Page 34button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page34jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=34 data-page=34 class=ts-thumb lazyload alt=Page 34: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails34jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=35Page 35button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page35jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=35 data-page=35 class=ts-thumb lazyload alt=Page 35: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails35jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=36Page 36button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page36jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=36 data-page=36 class=ts-thumb lazyload alt=Page 36: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails36jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=37Page 37button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page37jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=37 data-page=37 class=ts-thumb lazyload alt=Page 37: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails37jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=38Page 38button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page38jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=38 data-page=38 class=ts-thumb lazyload alt=Page 38: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails38jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=39Page 39button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page39jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=39 data-page=39 class=ts-thumb lazyload alt=Page 39: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails39jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=40Page 40button div class=ts-imagea href=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5page40jpg target=_blank img data-url=fish-obtain-their-oxygen-from-water-passing-over-the-gills-closing-the-gill-covershtmlpage=40 data-page=40 class=ts-thumb lazyload alt=Page 40: · Fish obtain their oxygen from water passing over the gills Closing the gill covers opening the mouth and expanding the cheeks causes water to flow in over the gills Closing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer20220410065eac57ecadcc3601b231b902html5thumbnails40jpg width=140 height=200 adivdiv
