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CaHeK987 [17]
3 years ago
10

3

Health
2 answers:
Y_Kistochka [10]3 years ago
8 0

Answer:

D

Explanation:

The heart consist of cardiac muscles which makes it undergo a reflex action and there by pumping blood ceaselessly.

STALIN [3.7K]3 years ago
5 0

Answer:

It consists of cardiac muscle tissues, which means it moves involuntarily, maybe this is the answer?

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