Discuss composition of blood in detail.
Answers
Blood consists of four components:
i. Plasma: Plasma is pale yellow sticky liquid which constitute 55% of blood. Plasma carries water, protein, fats glucose salts from one part to other part of the body. Different types of blood cells are suspended in it.
ii. Red Blood Cells (RBC): RBCs are red in colour due to presence of pigment hemoglobin which combines with Oxygen and carries it to cells of the body.
iii. White Blood Cells (WBC): WBCs are soldiers of our body. They protect us from various diseases by eating or killing germs by producing antibodies.
iv. Platelets: Platelets help in blood clotting. Thus plugs the open wound and stops bleeding.
Explanation:
It has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss.