The Lymphatic System:
-It is a collection of lymphvessels and glands
It has 3 main roles:
1. The return of tissue fluid to the blood in the form of lymph fluid This prevents fluid build-u in the tissues.
2. The production of lymphocytes.These are made in lymph glands such as the tonsils, adenoids, spleen. The glands become more active during an infection because they are producing and releasing large numbers of lymphocytes.
3.The absorption of fatty acids an glycerol from the small intestine. Each villus contains a lacteal- a blind ending lymph vessel
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