B9 lymphatic and immune system Flashcards
what is the lymphatic system
transport of some fats and in maintaining the body fluid balances
important part of the body immune system
made up lymphatic capillaries and lymphatic vessels and lymph nodes which collect and transport lymph
describe lymph
clear fluid which circulates in the lymphatic system
made from tissue fluid which carries fluid back into the blood
also contain white blood cells which fight bacteria and infection
describe the lymphatic vessels
have thin walls and valves
they push lymph from the lymph capillaries towards the heart and into the thoracic duct which empties into main blood stream
name some lymphatic organs
lymph node
spleen
tonsils
appendix
found in the groin, neck there are swellings through which the lymph must past