1.
The heart is also called

2.
The walls of left ventricle are thicker than the walls of right ventricle because

3.
The vessel which takes the blood from heart to lungs, is known as

4.
Tiny vessels link up and form a

5.
The clot of blood formed in the blood vessel is known as

6.
'Oxygen' is taken from

7.
The cells generally known "the army of human body" are

8.
The artery that carries deoxygenated blood is

9.
The elasticity of red blood cells helps them to

10.
The beating of pulse is due to

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