Question

The life span of a W.B.C in man is

• A. 50 days
• B. 13 to 20 days
• C. 100 days
• D. None of the above

Answer 1

The correct option is B

13 to 20 days

The correct option is B

Explanation of the correct option:

1. There are three major types of blood cells in the human body namely- erythrocytes (RBC), leucocytes (WBC), and platelets.
2. Leukocytes are known as white blood cells since they are colourless due to a lack of hemoglobin.
3. They are of two types:
4. Granulocytes: A type of immune cell that contains granules (tiny particles) containing enzymes that are produced during infections, allergic responses, and asthma attacks.
5. Nongranulocytes: Agranulocytes are also known as non-granulocytes or mononuclear leukocytes They belong tto category of white blood cells known as leukocytes.
6. White blood cells have a lifespan of 13 to 20 days in the lymph system and their presence is lost in the lymph system.

Final answer: The life span of a W.B.C in man is 13 to 20 days.