Biology, asked by anushka9655, 1 year ago

explain heart sound​

Answers

Answered by Anonymous
5

Answer:

Explanation:

The “ lub” is the first heart sound, commonly termed S1, and is caused by turbulence caused by the closure of mitral and tricuspid valves at the start of systole. The second sound,” dub” or S2, is caused by the closure of aortic and pulmonic valves, marking the end of systole.

Answered by rajeshasu
0

Answer:due to the movement of heart the heart sound is been created

Explanation:

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