Science, asked by dakshaalwaysf9, 4 months ago

The rhythmic expansion and contraction of the heart is called

a. heartbeat

b. arteries

c. veins

d. capillaries

Answers

Answered by GODLYxCHAOS

1

Answer:

Ans:- a. heartbeat

Answered by rushnamalik

0

Answer:

heartbeat (opt A)

...........

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