Question

Given below is a diagram of a smear of human blood. Study the same and answer the question that follow:

What is the main function of the parts labeled 1, 2 and 3 respectively?

Answer 1

Function of part 1 (RBC): Transport of respiratory gases to the tissues and from the tissues, transport of nutrients from the alimentary canal to the tissues.

Function of part 2 (WBC): WBCs play major role in defense mechanism and immunity of the body.

Function of part 3 (Blood Platelet): Blood platelets are the initiator of blood clotting.