Blood is a connective tissue containing Fluid Matrix, Cells and Plasma. The blood component which is viscous and straw coloured fluid is Plasma which makes up 55 % of the blood.

Composition of Plasma:

1. Water- 92 %

2. Proteins -8 %

3. Glucose

4. Amino Acid, Vitamins, Urea, Hormone and Antibodies.

Function:

1. Proteins present in plasma helps in blood clotting.

2. Transportation of substances through blood.

3. It maintains the blood volume.

4. It maintains the electrolyte balance.