Category:Lymphatic system
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In mammals including humans, the lymphatic system is composed of a network of thin vessels that branch, like blood vessels, into tissues throughout the body. Lymphatic vessels carry lymph, a colorless, watery fluid originating from interstitial fluid (fluid in the tissues). The lymphatic system transports infection-fighting cells called lymphocytes, is involved in the removal of foreign matter and cell debris by phagocytes and is part of the body's immune system. It also transports fats from the small intestine to the blood.de:Kategorie:Lymphsystem fr:Catégorie:Système lymphatique vi:Thể loại:Hệ bạch huyết zh:Category:淋巴系統