Question

what is heartbeat?it is right human being heart performs double circulation?

Answer 1

hey dear here your answer;


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↪the contraction and relaxation of the different Chamber of heart is known as heartbeat.
↪4 Heartbeat indicate 1 circulation of blood.
↪ yes it is right human being heart perform double circulation because heart pump the blood in 2 times at every circulation.


☺ Hope this helps you deaR ✌

Answer 2

hey .. !!

here the ans is...

 the pulsation of the heart refers to heart beat..

yes , the human being heart performs double circulation ...


Double circulation systems deliver a greater blood flow rate to tissues around body ..
the majority of the mammals , including humans utilize a double circulatory system  caz we have 2  loops in body in which blood circulates ..one is oxygenated , which means it's oxygen rich and  the other is deoxygenated ,which means it has no oxygen but it's full of carbon dioxide ..

hope my ans helps u dear...
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