Gas Exchange Answers

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1
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What happens after oxygen leaves the blood to move into cells of the body?

A
Carbon dioxide binds with hemoglobin.
B
The blood is low in carbon dioxide.
C
Carbon dioxide moves back into the lungs.
D
Carbon dioxide is exhaled from the body.
2
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Carbon dioxide moves around the body by binding with hemoglobin and by:

A
binding with fats and sugars.
B
dissolving into plasma.
C
being inhaled into the lungs.
3

The majority of carbon dioxide returns to the lungs as part of:

A
hemoglobin.
B
plasma.
C
oxygen.
D
bicarbonate ions.

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