Systemic (internal) respiration refers to
A. gas exchange in the atmosphere.
B. atmospheric air coming into the lungs.
C. gas exchange between the lungs and the blood.
D. gas exchange between the blood and body tissues.
E. cellular respiration.
Answer: D
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The vessels that deliver oxygen to the tissues of the body are part of the __________.
Fill in the blank(s) with the appropriate word(s).
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Indicate whether the statement is true or false