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Blood (Characteristics of Blood (Volume (男:5-6公升 女 :4-5公升),…
Blood
Characteristics of Blood
Volume
男:5-6公升
女 :4-5公升
Viscosity(thickness)黏稠度
4-5 (water=1)
pH
7.35-7.45
Osmolarity
0.3osm
Salinity(鹽度)
0.85%
Temperature
38'c
weight
about 8%of body weight
Function
Regulation
Maintance
Normal temperature by absorbing and distributing heat to other parts of the body
Adequate(充足) fluid volume in the circulatory system
Buffer Ph to keep ph level in normal level
Distribution
Transport
Nutrients from digestive track
Hormones
oxygen from lungs
waste products of metabolism
Protection
Blood loss
activate plasma protein and platelets
activate clot formation
Infection
Activate leukocytes
Activate complement proteins (補體蛋白)
Synthesizing antibodies
abnormal
Hypovelemia
Low blood volume
Hypervolemia
High blood volume
Hematocrit
cell bodies of blood occupy persent in the blood
Males 47%+-5%
Females 42%+-5%
Elements (components)
Plasma 55%
Water
ions
sodium鈉
potassium鉀
calcium鈣
magnesium鎂
chloride氯
bicarbonate
plasma protiens ppt p9
albumin(白蛋白)60% 攜帶藥物
Establish osmotic pressure that draws water back into capillaries
Fibrinogen4%
血纖蛋白
Blood clotting
Globulin 球蛋白 36%
Alpha Beta
Transport
Gamma
Antibodies
Protect and against pathgen
Cell bodies of blood 45% ppt p16-17
Eythrocytes
Hemoglobin
Structure
4 units polypeptide chain
Beta 1.2
Alpha 1.2
4 heme group
ever polypeptide chain have 1 heme
ever heme has one iron atom
Type
Oxyhemoglobin
Deoxhemoglobin
Carbaminnohemoglobin
Hemoglobin bring the co2
Platelets
Leukocyte
Nutrophil
Basophil
Eosinphil
Lymphocyte
Monocyte
Marcrophage
Dendritic cell
Blood cell life