Question

Lifespan of leukocytes (WBCs) is found to be

• A. 125 days
• B. 24 hours
• C. 2 weeks
• D. Lifetime

Answer 1

Answer: (C)

2 weeks

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system. They protect the body against both infectious disease and foreign invaders. WBCs have a short life span of 2 weeks as compared to the life span of RBCs which is 120 days.

Therefore, the correct answer is option C.