The sinoatrial node of the heart is:
A) The primary pacemaker of the heart
B) A vestigial organ
C) A place where blood clots frequently form, because blood eddies in this organ
D) A powerful muscle
Correct Answer:
Verified
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Q41: The atrioventricular node (AV node) of the
Q43: Which ONE of the following statements about
Q44: Which of the following events is most
Q45: Which of the following events is most
Q46: Which of the following is an accepted
Q47: The epicardial coronary arteries:
A) Are tiny blood
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