Biology, asked by sunidhi1333, 3 months ago

During cardiac cycle, about _____% of ventricular filling occurs prior to atrial contraction
______% ventricular filling
occurs due to atrial contraction
A 50, 50
B 70, 30
С 30, 70
D 10,90​

Answers

Answered by evansha
0

Answer:

A) 50,50

Explanation:

hope it helps...

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