Multiple Choice
During respiratory exchange, carbon dioxide moves from the blood into the alveoli due to:
A) the presence of a permease, which removes carbon dioxide from the capillaries.
B) potassium cotransport.
C) diffusion down a concentration gradient.
D) the air pressure of dissolved oxygen, which forces it out.
E) the contraction of the diaphragm, which creates a vacuum that pulls it out.
Correct Answer:
Verified
Correct Answer:
Verified
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