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Cards In This Set
| Front | Back |
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Blood
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A fluid connective tissue
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Blood is composed of
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Plasma formed elements: erythrocytes (RBCs) Leukocytes(WBC) Platelets
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Hematocrit
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Percentage of blood volume that is RBCs
47% plus or minus 5%for males 42% plus or minus 5% for females |
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Physical characteristics and blood volume
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Sticky opaque fluid
color scarlet to dark red ph 7.35-7.45 38C 8% body weight |
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What is normal blood volume for males and females
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5-6 L for males and 4-5 L for females
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Function of blood
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1.distribution
2.regulation 3.protection against |
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Function of blood distribution of
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O2 and nutrients to body cells
metabolic waste to the llungs and kidneys for elimination hormones from the endocrine orgas to target organs |
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Blood function regulation of
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Body tmperature by asorbing and distributing heat
normal ph using buffers adequat fluid volume in the circulatory system |
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Function of blood protection against
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Blood loss and infection
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Protection against blood loss
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Plasma proteins and platelets initiate clot formation
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Protect against infection
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Antibodies
complement proteins WBC defend against foreign invaders |
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Blood plasma
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90% water
proteins ar mostly produced by th liver |
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Proteins percentage in the blood plasma
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Albumin 60%
globulins 36% fibrinogen4% |
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Blood plasma contains
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Nitrogenous by products of metabolism lactic acid urea creatine
nutrients(gllucose carbohydrates amino acids) electrolytes respiratory gases hormones |
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Formed elements in the blood
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Only WBCs are complete cells
RBC have no nuclei or organelles most formed elements survive in the bloodstream for only a few days most blood cells originate in bone marrow and do not divide |
