During internal respiration, the exchange of the respiratory gases takes place between which of the following?

a. the pulmonary capillaries and the interstitial fluid that surrounds the cells
b. the pulmonary capillaries and air within the alveoli
c. the systemic capillaries and the interstitial fluid that surrounds the cells
d. all of the listed responses are correct


Answer: c. the systemic capillaries and the interstitial fluid that surrounds the cells

Anatomy & Physiology

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