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10 Cards in this Set
- Front
- Back
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How much weight does blood use in the body?
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8%
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What is blood composed of?
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Plasma, platelets, blood cells
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What is the composition of blood?
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Plasma 55%
Cells and platelets 45% |
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Name the two different types of Blood cells?
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Erythrocytes= RED blood corpuscles
Leukocytes= WHITE blood cells |
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What is a thrombycte?
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Platelet
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What is the FUNCTION of Blood?
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TRANSPORT- nutrients
WASTE PRODUCTS- DISTRIBUTE HEAT- PROTECTION- hold clotting factors, white blood cells, VEINS- |
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What is the composition of a VEIN?
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3 LAYERS OF THIN MUSCLE
LARGE LUMENS CARRY DEOXYGENATED BLOOD SEMI- LUNAR- to prevent backflow. NOT as elastic as ARTERIES Collapsable veins |
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What is the composition of an ARTERY?
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3 THICK layers of muscle
Carry's oxygenated blood (except for PULMONARY ARTERY) Large hollow elastic tubes decreasing in size NO valves Small lumens, Arteries HIGH pulsed, |
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What is the composition of a CAPILLARY?
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1 cell thick
to allow gas exchange They LINK artery's and veins |
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What is the structure of the Heart?
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Hollow pear- shaped organ
Size of a fist Avge heart beat 72bpm Weighs less than 1 pound Double pump with 4 chambers Beats independently from the body At rest venous return is equal to Cardiac output. |
