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X is the rhythmic contraction and relaxa...

X is the rhythmic contraction and relaxation in the aorta and its main arteries. What is X ?

A

(a) Heartbeat

B

(b) Heart rate

C

(c) Pulse

D

(d) Cardiac output

Text Solution

Verified by Experts

The correct Answer is:
C
Pulse is the rhythmic contraction and relaxation in the aorta and its main aeteries. It is a regular jerk of an artery. It is same as the heart rate because an artery pulses every time the heart beats.
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