cardiovascuar system notes

cardiovascuar system notes - Circulation 3 parts pump(heart...

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26/02/2007 11:41:00 3 parts: pump (heart), fluid, vessels (like pipes) hemoglobin is oxygen transport fluid (in humans) vertebrates: closed circulatory system red blood = oxygenated blood purpose transports: oxygen, food, solutes, metabolic wastes, secretion (hormones) maintain pH phagocyte transport (white blood cells maintain body tempearature blood volume and composition 4-5 quarts in volume plasma 50% - 60% total volume o water 91-92% o protein 7-8% o solutes 1-2% o cellular portion red: 5.4 mil/ml, white: 10000/ml, platelets: 300000/ml platelets are for clotting we don’t dissolve because we are coated with hydrophobic phospholipids red blood cells (erythrocytes) don’t have nuclei because they don’t reproduce granulocytes – have granules o 1 nucleus with a bridge in the middle o basophils: have granules; allergic response system
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cardiovascuar system notes - Circulation 3 parts pump(heart...

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