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10 Cards in this Set
- Front
- Back
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vasodilation
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expansion in the diameter of blood vessels, vasodilitation near the skin brings more blood to the surface to help reduce body temp
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vasoconstriction
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decrease in the diameter of blood vessels, vasoconstriction near the skin conserves body heat.
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chordae tendimeae
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The chordae tendineae, or heart strings, are cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.
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sinoatrial node
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bundle of specialized muscle tissue located in the wall of the right atrium of the mammalian heart, generates an electrial impulse that stimulates cardiac muscle fibres to contract and realz rhymtically
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atrioventricle node
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bundle of specialized muscle tissue located in the wall of the right atrium recieves electrial stimulus from the sinotrial node and transmits this impusle over the walls of the vernticles so start their contraction
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systolic pressure
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maximum blood pressure exerted during ventricular contraction
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plasma
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fluid protion of the blood, made up of water plus dissolved gas, proteins, sugars, vitamins and minerals and waste products
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erythrocyle
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blood cells that contains the respitoary protein hemoglobin and is specialized for oxygen transport also known as red blood cells
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leucocyte
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also called white blood cells, bodys respond to infection make up one percent of your total body blood volume
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platelet
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component of the formed portion of blood, consisting of fragments of the cells that are created when larger cells in the bone marrow break apart
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