Question

The back flow of blood during the pumping of blood by heart is prevented by



Walls of ventricles

Walls of atrium

Valves of heart

Walls between atria and ventricles

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Answer 1

Answer:

Valves of heart

Explanation:

As the heart pumps blood, a series of valves open and close tightly. These valves ensure that blood flows in only one direction, preventing backflow. The tricuspid valve is situated between the right atrium and right ventricle.

Answer 2

Answer: Valves of heart

Explanation: With respect to the pumping of heart, a series of valves are present to ensure that blood flows in only one direction, preventing back-flow. There are two types of valves:

1) Bicuspid valve or mitral valve, located between the left atrium and left ventricle. It has two flaps (valve leaflets)

2)Tricuspid valve, located between the right atrium and left ventricle. It has three flaps.