Biology, asked by fatima14144, 20 days ago

A contraction of the heart is called __________ and its relaxation is called _________.

Answers

Answered by rajnegi123456789012
0

Answer:

Contraction of heart is systolic and relaxation of heart is diastolic

Answered by afrah6
0
Answer
Contraction of heart is called systolic and it relaxation is called diastolic


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