. The liquid portion of the blood is called as

A: Plasma

B: Leucocyte

C: Serum

D: None of the above

Best Answer

Explanation :- 

Plasma comprises about 55% of the blood part.

Plasma is made up of 90% water, and rest salts and proteins.

It functions as a liquid portion of the blood.

The other name of leukocytes is white blood cells.

They lack respiratory pigment, i.e hemoglobin.

They provide protection against foreign particles.

Serum, the fluid portion of the blood without clotting factors and blood cells.

Final answer :- 

The correct answer is plasma, i.e option (A).

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