Question

Write in sequence different phases of human cardiac cycle.
i)ventricle systole
ii) Auricle systole
vi) ventricle diastole
iv)Auricle diastole
(a) 1,2,3,
(b) 2,1,4,3
(c) 3,1,2,4
(d)4,3,2,1
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Answer 1

Answer:

d 4321

thus ur answer to u