Question

Given below is the picture of white blood cells which are parts of specific defense.

a. Identify A and B. 

b. What is the role of A in specific defense? 

c. Give any one difference between A and B.

Answer 1

a. A – T – lymphocyte B – B lymphocyte

b. Stimulates other defense cells. Destroys cancer cells and virus affected cells.

c. B – lymphocytes mature at bone marrow. 

T – lymphocytes mature at thymus.