Label the diagram given below :

 

In sunlight the face becomes reddish due to-

Read carefully the statements given below -

I. Protein contributes $6-8 \%$ of the blood plasma.

II. Plasma contains very high amount of platelets

III. Plasma without the clotting factors is called serum.

IV. Glucose, amino acids, lipids, etc, also present in the plasma. In the above statements

The opening between the right atrium and the right ventricle is guarded by a valve called___$X$___Whereas___$Y$___ guards the opening of the left atrium and the left ventricle -

Select incorrect statement about lymph.

The accompanying diagram shows three stages in the cardiac cycle

Which of the following sequence is correct?