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NREMT Advanced EMT

Category - Medical Knowledge

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Where does gas exchange and cellular respiration occur?

Pulmonary arteries
Capillaries
Coronary arteries
Pulmonary veins

Explanation

Answer - B - Gas exchange and cellular respiration occurs in the capillaries. The walls of the capillaries are a single cell layer thick, which allows for the exchange of gases, fluids, and nutrients between the vascular system and the tissues.

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