They are called Lubb Dubb
The heart valves.
thump thump!
that is not a heartbeat of a baby. it was your heartbeat..had the same thing happen to me! that is not a heartbeat of a baby. it was your heartbeat..had the same thing happen to me!
are related the sound because is cionsideriza to heart beat hahahahha.
A tiny dinosaur banging a drum
the sound of a heartbeat
pulse
The first sound, LUB, is made after the ventricular systole due to the shutting of bicuspid and tricuspid (AV) valves.
hes a Dj
Each heartbeat begins with an action potential generated at the sinoatrial node or simple call the SAnode.
A heartbeat produces the familiar "LUB-DUP" sounds as the chambers contract and the valves close. The first heart sound, "lub," is heard when the ventricles contract and the atrioventricular valves close. This sound last longest and has a lower pitch. The second heart sound, "dub," is heard when the relaxation of the ventricles allows the semilunar valves to close.
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