Central, or extrinsic, control of the cardiovascular system occurs through the action of which of the following? 1. Autonomic nervous system 2. Circulating humoral agents 3. Local metabolites
a. 1, 2, and 3
b. 2 and 3 only
c. 3 only
d. 1 and 2 only
ANS: D
Central, or extrinsic, control involves both the central nervous system and circulating humoral agents.
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