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the lymphatic system

lymphatic system Picks up tissue fluid and carries it back to the blood after filtering it.
small lymphatic vessels (lymph capillaries) dead ended capillaries that are responsible for collecting tissue fluid. they are made of a single layer of simple squamous epithelium and have gaps between the cells.
large lymphatic vessels (lymphatic veins) structure is very similar to a vein, they have thin walls and valves and the dump into ducts. they are also low pressure vessels.
lymphatic ducts the largest lymphatic veins
lacteals lymphatic capillaries found in the wall of intestines; they help to absorb fat.
lymph nodes located through out the body, the filter lymph, removing waste and debris, they contain macrophages which destroy garbage in the lymph
spleen processes old red blood cells, hemoglobin is broken down. the iron from the heme is reused and the rest is turned into wste called bilirubin.
thymus produces cells important for immunity
how does lymph flow? Lymph is a very low pressure fluid. it relies on valves, and the respiratory and skeletal muscle pumps
how is lymph formed? when lymphatic capillaries gather tissue fluid. The fluid gets into the capillaries because of a difference in pressure.
If lymphatic tissue is removed from a region of the body, what will happen to that area? The area would swell due to increased tissue fluid. (without collection of tissue fluid by lymphatic vessel the tissue fluid builds up)
which tissue fluid is the lowest pressure fluid? Lymph fluid is the lowest pressure fluid.
lymphatic ducts empty into the left and right subclavian veins
Created by: 688472874



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