Multiple Choice
The impulse to begin each heartbeat of the heart comes from the
A) atrioventricular node.
B) bundle of His.
C) Purkinje fiber system.
D) sinoatrial node.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q33: The outermost layer of the heart itself
Q34: The fibrous sac that encloses the heart
Q35: The ductus arteriosus in a fetus allows
Q36: Another name for the right semilunar valve
Q37: The largest elastic artery in an animal's
Q39: Which chamber of the heart sends oxygenated
Q40: Which valves produce the second heart sound
Q41: Deoxygenated blood from the systemic circulation enters
Q42: The right atrium pumps blood into the<br>A)
Q43: The membrane that lines the chambers of