Question

The most active phagocytic white blood cells are:
(a) neutrophils and eosinophils
(b) lymphocytes and macrophages
(c) eosinophils and lymphocytes
(d) neutrophils and monocytes

Answer 1

The most active phagocytic white blood cells are neutrophils and monocytes.

Option (d)

Explanation:

• White blood cells (WBCs) are one of the components of blood cells.
• They are also called as Leucocytes.
• These are the cells of immune system which help in protection of body against antigens.
• Based on structure, WBCs are classified as granulocytes and agranulocytes.
• Granulocytes include  neutrophils, eosinophils, and basophils.
• Agranulocytes include lymphocytes and monocytes.
• Phagocytosis is the process of engulfing cells/particles/antigens and destruction of the engulfed materials.
• Neutrophils and monocytes are major phagocytes which are circulated in the bloodstream.
• When they sense invasion of foreign substances, they are getting stimulated and started to destriy them.

Learn more about phagocytosis

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