Lymphatic system contains all of the organs/structures except:
Correct answer: D. Lungs
- A. Lymphoid masses
- B. Lymph vessels
- C. Spleen
- D. Lungs
Explanation
The four organs of the lymphatic system are bone marrow, spleen, thymus, lymph nodes, and lymphatic vessels. Thus lungs are not part of it and option D is the correct answer.
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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About Lymphatic System
The lymphatic system returns excess tissue fluid to the bloodstream and supports immune defence through lymph, lymph vessels, lymph nodes, the spleen, thymus and tonsils. It also transports absorbed fats from intestinal lacteals, which distinguishes lymphatic circulation from the blood vascular system.
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