9bb1 breathe easily

7/23/2019 9Bb1 Breathe Easily

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1 Draw lines to match each word with its correct meaning.

a Which diagram shows the boy breathing out?

b Label the ribs and the diaphragm on the diagrams.

9Bb(1) Breathe easily

Name _________________________________________ Class _______________ Date

I CAN... describe what happens when you breathe.

absorbing oxygen from the air

and getting rid of carbon dioxide

breathing

gas exchange

exhalation

ventilation

inhalation

diaphragm

flow of air into and out

of your lungs

sheet of muscle that separates your chest

from the rest of your body below it

when your muscles

change the size of yourchest

bones that move when you breathe

breathing in

breathing out

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