Question

why does heart make lub dub sound​

Answer 1

Answer:

the heart is a miscular organ that pumps blood to all parts of the body...

there is a lot of pressure in thus case and hence the sound...

we hear "lub dub" because of a phenomenon called double circulation...

if u r in 10th grade then just open ur science ncert textbook for detailed explanation...

if not then wait until u come to 10th...

meanwhile hope imy answer helps

pls mark as brainliest.....

Answer 2

HLO MATE HERE IS UR ANSWER !!!!

⭐During the Atrial Diastole The closure of Bicuspid and Tricuspid Valves takes Place So it leads to Lub sound (( Which is of Low Pitch ))

⭐During Joint Ventricular Systole The closure of Semilunar Valves takes place So it leads to Dub sound (( Which is of High Pitch ))

Hope it helps u dear ☺✌