Term
The Purkinji fibres are located in the interatrial septum T or F |
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S1 or lub is caused when the atrioventricular valves close T or F |
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Blood enters into the l atrium from the pulmonary vein T or F |
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Definition
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The pacemaker of the heart is the |
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The fibrous outer layer of the pericardium anchors the heart in place T or F |
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Recieves oxygenated blood from the lungs |
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Definition
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sends deoxygenated blood to the lungs |
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Definition
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recieves deoxygenated blood from the body |
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sends deoxygenated to the body |
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Definition
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one complete cycle of heart contraction & relaxation is called the the |
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Definition
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The three layers of the heart are the |
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Definition
endocardium, epicardium, myocardium |
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Term
The amount of blood thar is pumped by each ventricle in 1 minute is called |
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Definition
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The two valves that are known as the entrance valves are called the |
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Definition
mitral valve & tricuspid valve |
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Term
____ ____generates the electrical impulse that starts the heart beat |
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Definition
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The main arteries that supply the blood to the heart muscle are the right & left _____ ______ |
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Definition
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The epicardium is also the _____of the pericardium |
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Definition
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the interatrial septum & the interventricular septum are comprised of |
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Definition
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Term
The function of these threads, callede the ______ _______is to stabilize the valve flaps when the ventricles contract so that the force of the blood will not push them up into the atria |
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Definition
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The____is a thin smooth layer of epithelia cells that line the hearts interior |
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Definition
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A____heart rhythm originating in the SA node is termed sinus rhythm |
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Definition
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An artery is a vessel that takes blood from the ____to the tissues |
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Definition
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The____side pumps low in oxygen blood to the lungs through the pulmonary circuit |
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Definition
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The aortic valve is a ______ valve located between left ventricle and the aorta |
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Definition
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A thin film of fluid between the parietal and visceral layers of the ___ ____reduces friction as the heart moves |
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Definition
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The right atrioventricular valve is also known as the _____valve because it has 3 cusps that open & close |
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Definition
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Only the ____comes in contact with the blood that flows through the heart chambers |
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Definition
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Fibers travel first down both sides of the interventricular septum in groups called the right & left____ ______ |
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Definition
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Sympathetic nervous system stimulation___the heart rate |
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Definition
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____ ____is the volume of blood ejected from the ventricle with each beat |
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Definition
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The P wave represents the ____contracting |
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Definition
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the QRS represents the ventricle _____ |
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Definition
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The T represents the ventricle _____ |
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____is the inner layer of the heart wall |
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_____is the middle muscle of the heart |
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myocardium is the ____layer of the heart |
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Definition
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____is the outer layer of the heart |
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Definition
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visceral pericardium is also known as _____ |
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Definition
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epicardium is the ___of the heart |
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Definition
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____fluid fills the space between the visceral and parietal pericardium |
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