1. Transport of nutrients: Amino acids, glucose, fructose, fatty acids, glycerol etc. are transported through plasma.
2. Water Transport: It regulates water transport and water balance in the body.
3. Excretion: Plasma participates in the elimination of harmful waste products produced in the body.
4. Heat balance: It regulates the heat balance throughout the body.
5. Immunity: It helps the body to resist diseases.
6. Osmotic Pressure: Plasma maintains the osmotic pressure of the blood with the help of plasma proteins.
7. Blood Coagulation: It helps in blood clotting as it contains plasma proteins.
8. Contains blood cells: It contains red blood cells, white blood cells and platelets.
9. Maintains blood fluidity: As it contains 91% water, it maintains blood fluidity.
10. Acid-base balance: Maintains blood acid-base balance.