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Question: Answered & Verified by Expert
Identify the diagram and select the correct option:

BiologyBody Fluids and CirculationNEET
Options:
  • A
    Phagocytic WBC Least aboundant
    3, 6 1
  • B
    Phagocytic WBC Least aboundant
    1, 3 1
  • C
    Phagocytic WBC Least aboundant
    1, 3 5
  • D
    Phagocytic WBC Least aboundant
    3, 4 2
Solution:
1505 Upvotes Verified Answer
The correct answer is:
Phagocytic WBC Least aboundant
3, 4 2
- These are colourless as haemoglobin is absent.

- These are nucleated but generally short lived.

- Types of WBCs :

1. Granulocytes - Neutrophils, eosinophils and basophils.

2. Agranulocytes - Lymphocytes and monocytes.

- Most abundant WBCs : Neutrophils (60-65%).

- WBCs least in number : Basophils (0.5-1 %).

- WBCs with phagocytic action : Neutrophils and monocytes (6-8%)

- Basophils are involved in inflammatory reactions and secrete histamine, serotonin, heparin, etc.

- Eosinophils (2-3%) are associated with allergic reactions and prevent infections.

- Lymphocytes (20-25%) are of 2 types - 'B' lymphocytes and 'T' lymphocytes, both of which are responsible for immune responses of the body.

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