sir /mam do you think our heartbeat is of 2 types if yes plzz explain - Biology - Body Fluids and Circulation

Question

sir /mam do you think our heartbeat is of 2 types if yes plzz
explain

Shasiya Sulaiman · Answer

The first heart sound (lub ) is associated with the closure of
the tricuspid and bicuspidvalve to block the back flow and second
sound( dub )is the closure of semilunar valves

sir /mam do you think our heartbeat is of 2 types if yes plzz explain.