Check sibling questions

What prevents backflow of blood inside the heart during contraction?

(A) Valves in heart

(B) Thick muscular walls of ventricles

(C) Thin walls of atria

(D) All of the above



Valves are flap-like structures which prevent backflow of blood inside the heart during contraction.

valves prevent the back flow of blood by opening and closing tightly to guide the flow of blood in specific directions-01.jpg

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo