grade 8 review
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Grade 8 Review. Cells to Systems. Cell Parts. Q1: What is the function of the mitochondria?. Cell Parts. A1: the function of the mitochondria is to create energy for the cell. Cell Parts. Q2: What is the function of the nucleus?. Cell Parts. - PowerPoint PPT PresentationTRANSCRIPT
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Grade 8 ReviewCells to Systems
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•Q1: What is the function of the mitochondria?
Cell Parts
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•A1: the function of the mitochondria is to create energy for the cell.
Cell Parts
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•Q2: What is the function of the nucleus?
Cell Parts
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•A2: The nucleus is the control centre of the cell.
Cell Parts
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•Q3: What two extra organelles are found in plants only?
Cell Parts
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•A3: Chloroplasts and Cell Wall
Cell Parts
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•Q4: What is the function of the chloroplast?
Cell Parts
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•A4: The function of the chloroplast is to create food from light – PHOTOSYNTESIS.
Cell Parts
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•Q5: What is the function of the cell membrane?
Cell Parts
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•A5: - controls the movement of substances in and out.
- Provides protection (keeps foreign bodies out)
- Holds the cell together - shape
Cell Parts
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•Q6: What is the following organelle?
Cell Parts
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•A6: Golgi Apparatus
Cell Parts
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•Q7: What prevents blood from moving backwards in the heart and veins?
Circulation
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•A7: Valves
Circulation
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•Q8: What is the largest artery in the body?
Circulation
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•A8: The Aorta
Circulation
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•Q9: What molecule in the blood makes the blood red when combined with oxygen?
Circulation
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•A9: Hemoglobin.
Circulation
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•Q10: What are 2 waste products of respiration?
Circulation
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•A10: Water and Carbon Dioxide
Circulation
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•Q11: Approximately how many times does an average person’s heart beat while resting?
Circulation
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•A11: 70-75 bpm
Circulation
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•Q12: What is the large vein from the top of the body that enters the right atrium called?
Circulation
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•A12: Superior Vena Cava.
Circulation
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•Q13: What part of the compound light microscope controls the amount of light that enters the microscope?
Microscopy
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•A13: The diaphragm
Microscopy
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•Q14: Who invented the microscope around the year 1609?
Microscopy
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•A14: Anton von Leeuwenhoek
Microscopy
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•Q15: If the ocular lens is 10x and the objective lens is 20x, what is the overall magnification?
Microscopy
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•A15: 10 x 20 x = 200x
Microscopy
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•Q16: How have microscopes advanced science and medicine?
Microscopy
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•A16: - showed us “invisible” organisms
- Helped us learn about cells and their function
- Taught us about disease
Microscopy
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•Q17: What is a group of similar cells working together called?
Cell Organization
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•A17: Tissues
Cell Organization
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•Q18: What is a group of organs working together called?
Cell Organization
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•A18: Organ Systems?
Cell Organization
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•Q19: What organ system is made of
- alveoli, pharynx, larynx and sinuses?
Cell Organization
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•A19: Respiratory System
Cell Organization
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•Q20: What organ system is made of
- Thrombocytes- Erythrocytes- Myocardial tissues
Cell Organization
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•A20: The Circulatory System
Cell Organization