English

What prevents the backflow of blood inside the heart during contraction?

Advertisements
Advertisements

Question

What prevents the backflow of blood inside the heart during contraction?

Options

  • thick muscular walls of ventricles

  • valves

  • thin walls of atria

  • all of the above

MCQ
Advertisements

Solution

valves

Explanation:

Valves prevent the backflow of blood inside the heart during contraction, ensuring that blood flows in one direction only.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Life Processes - Exercise 3 [Page 90]

APPEARS IN

Lakhmir Singh Biology Part 3 [English] Class 10
Chapter 1 Life Processes
Exercise 3 | Q 69. | Page 90
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×