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22 Cards in this Set
- Front
- Back
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pulmonary circuit
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blood vessels that carry blood between the heart and lungs
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systemic circuit
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blood vessels that carry blood to and from all other tissues in the body, except lungs
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pericardium
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triple layered sac around the heart
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diastolic pressure
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arterial blood pressure during the diastolic phase of the cardiac cycle
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pacemaker
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mass of specialized cardiac muscle tissue that controls the rhythm of the heartbeat; SA node
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viscosity
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the tendancy for a fluid to resist flowing due to the internal friction of its molecules
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coronary artery
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an artery that supplies blood to the wall of the heart
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electrocardiogram
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a recording of the electrical associated with the heartbeat; ECG/EKG
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capillary
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small blood vessel that connects an arteriole and a venule
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stroke volume
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the amount of blood discharged from the ventricle with each heartbeat
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aorta
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major artery that receives blood from the left ventricle
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cardiac cycle
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a series of myocardial contractions that constitutes a complete heartbeat
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systolic pressure
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arterial blood pressure during the systolic phase of the cardiac cycle
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vasoconstriction
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a decrease in the diameter of a blood vessel
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vasodilation
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an increase in the diameter of a blood vessel
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artery
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a blood vessel that transports blood away from the heart; aorta is one
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vein
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a vessel that carries blood towards the heart
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atria
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the chambers of the heart that receive blood from veins
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septum
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the dividing wall between the left and right sides of the heart
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ventricle
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lower chambers of the heart
right; receives blood from right atrium pumps to lungs the the pulmonary artery left; receives from left atrium(goes through rest) |
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blood volume
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total amount of blood in the body
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lub-dup sounds
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lub- 1st sound; results from closure of tricuspid & mitral valves; low pitch, long, represents beginning of ventricular systole
dup- 2nd sound; marks begging of ventricular diastole, produced by closure of aortic & pulmonary semilunar veins, sharp snap sound |
