why heart produces sound of dub dub ???if anybody knows
rehan778866khap56hzs:
this dubb sound comes because off closure of semilunar and bicuspid and tricuspid valves..
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its the rhythmic contraction and extraction of muscles which is due to pumping of blood thus it makes duk duk sound
sorry isc
cbse
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u can ask any biology que..s i will try to answer all of them :)
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hey rehan can i follow u coz my bio exam is jzt coming
plzzz bro
yes u can..... dm me if u have any questions. ..
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