Biology, asked by Joseph01, 1 year ago

explain circulation of blood from heart in simple steps.

Answers

Answered by arjuman6
2
hey ,
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poorblood from the body into the right atrium. As the atrium contracts, bloodflows from your right atrium into your right ventricle through the open tricuspid valve.
hope it helps u
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