External respiration refers to the exchange of oxygen and carbon dioxide between:
A) alveoli and bloodstream
B) outside air and cells of the body
C) bloodstream and cells
D) lungs and heart
A
Explanation: External respiration occurs between the alveoli and bloodstream. Internal respiration occurs between the bloodstream and cells. Respiration does not occur between the outside air and cells of the body or the lungs and heart.
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Answer the following statement true (T) or false (F)
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Answer the following statement true (T) or false (F)