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Unformatted text preview: -1Circulatory system: Cardiovascular system: blood, heart, blood vesselsLymphatic system: lymph + vesselsBasics: connective tissue, 5L (volume), ~8% of body weightFlow:Arterial: away from the heartVenous, towards the heartOxygenated: redDeoxygenated: blue or deep redViscosity (resistance to flow): 4.5-5.5, whereas water is 1.0Blood composition (formed element)Erythrocytes = ~5million per mL (most abundant cell), Leukocytes, ThrombocytesPlasma: fluid portion = 55% of whole bloodHematocrit: ~45% of red blood cells in blood by volume (higher for males than femalesBlood Plasma: Fluid portion = 90% waterPlasma proteins: viscosity (plug flow)GlobulinsAlpha + Beta = transport fatGamma: related to immune systemFibrogen: help form blood clotsErythrocytes (RBCs)Oxygen and carbon dioxide transportBiconcave discsUnique shape: including surface area for more oxygen transportAnucleated and no mitochondria (not a true cell)100-120 daysLeukocytes (WBCs)...
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- Spring '07