Multiple Choice
Prior to physical activity,the heart rate may climb.This anticipatory increase is caused by nerve impulses traveling to the cardiovascular center of the medulla oblongata that originate in the
A) cerebral cortex
B) hypothalamus
C) baroreceptors
D) limbic system
E) proprioceptors
Correct Answer:
Verified
Correct Answer:
Verified
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Q42: Identify the structure found in a fetus
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Q45: In the diagram,which labeled structure prevents blood
Q47: Which of the following electrocardiogram (ECG)waves represents
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Q50: Which network of specialized cardiac muscle fibers
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