Multiple Choice
The human heart ____.
A) contracts as a result of electrical stimuli from the sinoatrial node
B) contracts only as a result of nerve stimulation from the central nervous system
C) is activated primarily through the autonomic nervous system
D) contracts as a result of electrical stimuli from the atrioventricular node
E) is independent of all nervous control
Correct Answer:
Verified
Correct Answer:
Verified
Q10: Blood pressure is highest in the _.
Q25: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2277/.jpg" alt=" -Circulation in the
Q27: Why is the number used to demonstrate
Q28: Irregular heart beat is known as _.<br>A)
Q28: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2278/.jpg" alt=" Figure 36.6
Q31: Blood velocity is fastest in the _.<br>A)
Q46: Small molecules can move between capillaries and
Q47: Deoxygenated blood exits the heart from this
Q52: Reduced quantity of red blood cells results
Q58: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2278/.jpg" alt=" Figure 36.6B