what is the heart beat .?
Abhi1sek:
the beating sensation felt due to rhythmic contraction and relaxation of heart is called heart beat.
the pulsation of the heart
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it is just the pumping of blood to all over the body..which makes it beat
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The walls of the chambers of the the heart are made up of muscles.These muscles contract and relax rhythmically.This contraction followed by its relaxation constitute a heart beat.
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