Question

How our heartbeat sound ???

Answer 1

Hey, mate here is your answer⤵

Put your head on someone's chest and the heartbeat sounds a bit like lub-DUB, lub-DUB, lub-DUB. The" lub" is the sound of the tricuspid and mitral valves closing. The" DUB" is the sound of the aortic and pulmonary valves closing. ... The second sound occurs as a result of closure of the pulmonic and aortic valves.

Hope this answer will help you..《《

Answer 2

Hey mate.......

Heartbeat is the sound of pumping of the heart .

Heartbeat sound like Lub Dub ....

Hope this helps❤❤❤