1. The lymphatic vascular system comprises another set of vessels, in which lymph (excess tissue fluid, cellular debris, and lymphocytes) moves in only one direction (toward the junction of the lymph vessels with the large veins in the neck).

    This systemincludes three vessel types. 

    Lymphatic capillaries are blind-ended endothelial tubes that collect lymph from the intercellular spaces. 

    Lymphatic vessels collect lymph from lymphatic capillaries. 

    Lymphatic ducts collect lymph from smaller lymphatic vessels and empty into the jugular and subclavian veins.

 

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