Multiple choice

The antibodies in the blood are secreted by:

  1. Neutrophils

  2. Basophils

  3. Monocytes

  4. Lymphocytes
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antibodies are proteins produced by specialized immune cells called B lymphocytes (B cells). Neutrophils, basophils, and monocytes are other types of white blood cells, but they do not produce antibodies - neutrophils are phagocytes, basophils release inflammatory chemicals, and monocytes become macrophages.

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