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Biology of Humans 6th Edition by Judith Goodenough,Betty McGuire
Edition 6ISBN: 978-0134324876Biology of Humans 6th Edition by Judith Goodenough,Betty McGuire
Edition 6ISBN: 978-0134324876 Exercise 16
The second heart sound (dup) is the sound of the
A) pacemaker initiating its contraction.
B) blood entering the aorta.
C) the closing of the semilunar valves.
D) the closing of the atrioventricular (AV) valves.
A) pacemaker initiating its contraction.
B) blood entering the aorta.
C) the closing of the semilunar valves.
D) the closing of the atrioventricular (AV) valves.
Explanation
Verified
Verified
Hence, the option c is correct.
The hea...
Biology of Humans 6th Edition by Judith Goodenough,Betty McGuire
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