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Card 16
Front
Describe the direction of exchange of carbon dioxide and oxygen at the lungs and in tissues.
Back
Card 17
Front
Why does oxygen and carbon dioxide diffuse in certain directions during gas exchange?
Back
Card 18
Front
How do small simple organisms take in oxygen?
Back
Card 19
Front
Name two small simple organisms.
Back
Card 20
Front
What do larger complex organisms have to help with gas exchange?
Back
Card 21
Front
why do most living things need oxygen?
Back
Card 22
Front
How does surface area affect the exchange of gases?
Back
Card 23
Front
How does an amphibian's method of gas exchange restrict them?
Back
Card 24
Front
How does a fish's method of gas exchange restrict them?
Back
Card 25
Front
Why does an amphibian's method of gas exchange restrict them?
Back
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