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priyanshi
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Asked: 2021-06-06T05:57:37+00:00 In:

Backflow of blood inside the heart is prevented during contraction by

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0%(a) thick muscular wall of left ventricle
0%(b) thin walls of atria
100%(c) valves present in heart ( 3 voters )
0%(d) all of the above
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    1. (c) valves present in heart

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