Arrange the structures that control cardiac output in the correct order
a. baroreceptors ? brain stem ? autonomic nervous system ? heart
b. baroreceptors ? heart ? brain stem ? autonomic nervous system
c. brain stem ? baroreceptors ? autonomic nervous system ? heart
d. autonomic nervous system ? brain stem ? heart ? baroreceptors
e. heart ? baroreceptors ? autonomic nervous system ? brain stem
ANSWER: a
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