Biology, asked by sknadeem4567, 8 months ago

what is the meanings of contraction and relaxation​

Answers

Answered by dilkhush6
1

Answer:

contractions are called systole

expansion is called diastole

Answered by asahilthakur
0

Answer:

Contraction is the activity of tension-generating sites within muscle fibres. Muscle contraction is followed by relaxation, which is the return of the muscle fibres to their low tension-generating state.

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