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

 

Answer

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



  1. Class 10
  2. Chapter 6 Class 10 - Life Processes (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo