lymph - LYMPHATIC SYSTEM 1. Functions a. Producing,...

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1 LYMPHATIC SYSTEM 1. Functions a. Producing, maintaining lymphocytes b. Returns fluids from tissues of body through circulation c. Distributes hormones nutrients and waste from tissue to blood 2. Lymphatic Capillaries - single cell thickness, flaps, have valves 3. Lymph Nodes - serve as “examining stations” - WBCs, macrophages and lymphocytes 4. Lymphatic fluid (tissue fluid) - eventually returns to circulation a. Right lymphatic duct —> right subclavian vein —> superior vena cava b. Thoracic duct —> right subclavian vein —> superior vena cava i. Not equal parts of body/uneven distribution 5. Other lymphatic organs a. Spleen i. Filters blood ii. Cleans blood of viruses and bacteria iii. Gets rid of dead RBC —> returns iron to liver iv. Makes lymphocytes v. Stores platelets, iron, and extra blood b. Thymus i. Hormone thymosin - helps T-cells mature c. Tonsils i. Trap bacteria and viruses 6. Pathogen - disease producing organism 7. Non specific defenses a. Barriers - skin, mucous membranes, stomach = acid (Hcl)
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This note was uploaded on 04/10/2008 for the course BIOL 109 taught by Professor Mister during the Spring '08 term at UMBC.

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lymph - LYMPHATIC SYSTEM 1. Functions a. Producing,...

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