Moderate

Thymus, spleen, tonsils and adenoids produce:

Correct answer: B. Lymphocytes

  • A. Erythrocytes
  • B. Lymphocytes
  • C. Phagocytes
  • D. Thrombocytes

Explanation

The thymus, spleen, tonsils, and adenoids produce lymphocytes. The thymus is the primary lymphoid organ where T cells (a type of lymphocyte) mature. The spleen is the secondary lymphoid organ where B cells (another type of lymphocyte) mature and produce antibodies. The tonsils and adenoids are also secondary lymphoid organs that help trap and fight infection.

Last updated

About Circulation

The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.

Practise Circulation

695 free Circulation MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions