What are the various components of blood? State their functions.

Following are the various components of blood:

• Plasma: Transportation of food, carbon dioxide, wastes and salts is carried by
• Erythrocytes (RBCs): They carry the oxygen from the lungs to all parts of the
• Leucocytes (WBCs): They fight infections and protect the body from foreign particles, like germs and bacteria.
• Platelets: They help in the coagulation of blood by releasing the chemicals that clot blood at the site of injury or wound.