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Questions and Answers
The lymphatic system is part of the ______ system
immune
The lymphatic system comprises a large network of lymphatic vessels, lymph nodes, lymphatic or lymphoid ______
organs
Lymph is a clear fluid that is carried back towards the ______ for re-circulation
heart
There are 600 to 700 lymph nodes in the human body that filter the lymph before it returns to the ______ system
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Lymph that leaves a lymph node is richer in ______ than blood plasma
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Lymph does not normally contain any ______ cells
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In humans, the thymus and bone marrow are the main key in immune function. All lymphocytes derive from stem cells in the ______.
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Stem cells destined to become B lymphocytes remain in the bone marrow as they mature, while T cells migrate to the ______ to undergo further growth.
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Mature B and T lymphocytes exit from the primary lymphoid organs and are transported via the bloodstream to the secondary lymphoid organs. Secondary lymphatic organs include lymph nodes, tonsils, spleen, appendix, and ______ patches.
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The thymus is located in the upper thoracic cavity posterior to the sternum. It is divided into outer cortex and inner ______.
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T lymphocytes mature in the ______.
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In mammals, the primary organ for B-lymphocyte development is the ______.
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