Biology, asked by perfalgan, 1 year ago

what happens during contraction of the heart do muscles shrink or expand during contraction of the heart​

Answers

Answered by Karthikrikky12
0

contraction of heart and relaxation of heart is called cardiac cycle.

During these process muscles will expand and comes for normal stage at relaxation

Answered by mansabhartiy
0

During these process muscles will expand and comes for normal stage at relaxation...

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