Multiple Choice
Oxygen and carbon dioxide are transported between the blood and interstitial fluid by way of
A) exocytosis and endocytosis by endothelial cells.
B) pinocytosis using fluid-filled vesicles.
C) diffusion from areas of higher concentration to lower concentration.
D) active transport (using ATP) by protein carriers of endothelial cells.
Correct Answer:

Verified
Correct Answer:
Verified
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