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Cn 13 Cardiovascular

Cardiovascular

QuestionAnswer
sends deoxygenated blood to the lungs pulmonary circuit
sends oxygen rich blood to the lungs systemic circuit
sac that encloses the heart pericardium
outer most layer of heart muscle epicardium
thick middle layer of muscle myocardium
inner most layer of heart muscle endocardium
upper chambers of the heart atria
lower chambers of the heart ventricles
structure that separates the right side from the left side of the heart septum
valve between the right atria and right ventricle tricuspid valve
structures that prevent the valves from inverting chordae tendineae
valve leaving the right ventricle pulmonary valve
name of the pulmonary and aortic valves semilunar valves
valve between the left atria and left ventricle bicuspid
valve leaving the right ventricle aortic valve
condition caused when the valves do not shut properly murmers
name for contraction systole
name for relaxation diastole
series of events for a complete heart beat cardiac cycle
mass of cells located in the right atrium that starts the heart beat SA node
another name for the SA node pacemakernode pacemaker
name of the fibers that are located in the septum between the ventricles Bundle of His
fibers that innervare the ventricles allowing them to contract Purkinje fibers
recording of the electrical signals in the heart EKG
type of vessels that go away from the heart arteries
type of vessels that lead towards the heart veins
type of vessel where gas exchange occurs capillaries
smooth muscle contraction vasoconstriction
smoothvasoconstriction smooth muscle relaxation vasodilationrelaxation vasodilation
structurevasodilation structure that veins have, but arteries do not valvesnot valves
stroke volume * heart rate cardiac output
friction between blood vessel walls and the blood peripheral resistance
hormones for flight or fight response epinephrine and norepinephrine
hormone that lowers blood pressure ANF
hormone that raises blood pressure ADH
hormone that is used for long term control of BP aldosterone
EKG that shows atrial systole P wave
EKG that shows ventricular systole QRS complex
EKG that shows ventricular diastole T wave
hormone that increases blood pressure by vasoconstriction angiotensinvasoconstriction angiotensin
factors that effect blood pressure cardiac output, peripheral resistance, blood volume, blood viscosity
Created by: mrseklund