Multiple choice

A lymph node is regarded as a part of

  1. circulatory system

  2. digestive system

  3. endocrine system

  4. nervous system
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A Correct answer
Explanation

Lymph nodes are integral components of the circulatory system, specifically the lymphatic circulation which is a subset of the broader circulatory system. They filter lymph as it returns to the bloodstream, and the lymphatic vessels ultimately drain into the subclavian veins, connecting directly to blood circulation.

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