Question
Write the functions of blood.
Solution
Blood performs the following functions :
1. Transportation of oxygen.
2. Transportation of carbon dioxide.
3. Transportation of various hormones.
4. Healing up of injured parts : At the point of injury, clotting occurs and thus the blood helps in healing up of the injured part.
5. Transportation of the metabolic waste products : The blood takes metabolic waste products from all cells and supply them to kidneys.
6. Antibodies : The antibodies of plasma neutralize the toxic substances produced by bacteria.
7. Protection from diseases : The neutrophils engulf the foregin bacteria and thus protect human beings from diseases.
8. Distribution of various nutrients throughout the body.
