Multiple choice

Which of the following is/are not involved in the immune system?

  1. Platelets

  2. Plasma cells

  3. B lymphocytes

  4. T lymphocytes

  5. Lymph
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Platelets can release a variety of substances, most of which are involved in the coagulation or clotting of blood.

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