| Term 
 
        | The Purkinji fibres are located in the interatrial septum T or F |  | Definition 
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        | S1 or lub is caused when the atrioventricular valves close T or F |  | Definition 
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        | Blood enters into the l atrium from the pulmonary vein T or F |  | Definition 
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        | The pacemaker of the heart is the |  | Definition 
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        | The fibrous outer layer of the pericardium anchors the heart in place T or F |  | Definition 
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        | Recieves oxygenated blood from the lungs |  | Definition 
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        | sends deoxygenated blood to the lungs |  | Definition 
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        | recieves deoxygenated blood from the body |  | Definition 
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        | sends deoxygenated to the body |  | Definition 
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        | one complete cycle of heart contraction & relaxation is called the the |  | Definition 
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        | The three layers of the heart are the |  | Definition 
 
        | endocardium, epicardium, myocardium |  | 
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        | The amount of blood thar is pumped by each ventricle in 1 minute is called |  | Definition 
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        | The two valves that are known as the entrance valves are called the |  | Definition 
 
        | mitral valve & tricuspid valve |  | 
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        | ____ ____generates the electrical impulse that starts the heart beat |  | Definition 
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        | The main arteries that supply the blood to the heart muscle are the right & left _____ ______ |  | Definition 
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        | The epicardium is also the _____of the pericardium |  | Definition 
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        | the interatrial septum & the interventricular septum are comprised of |  | Definition 
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        | 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 |  | Definition 
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        | The____is a thin smooth layer of epithelia cells that line the hearts interior |  | Definition 
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        | A____heart rhythm originating in the SA node is termed sinus rhythm |  | Definition 
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        | An artery is a vessel that takes blood from the ____to the tissues |  | Definition 
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        | The____side pumps low in oxygen blood to the lungs through the pulmonary circuit |  | Definition 
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        | The aortic valve is a ______ valve located between left ventricle and the aorta |  | Definition 
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        | A thin film of fluid between the parietal and visceral layers of the ___ ____reduces friction as the heart moves |  | Definition 
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        | The right atrioventricular valve is also known as the _____valve because it has 3 cusps that open & close |  | Definition 
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        | Only the ____comes in contact with the blood that flows through the heart chambers |  | Definition 
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        | Fibers travel first down both sides of the interventricular septum in groups called the right & left____ ______ |  | Definition 
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        | Sympathetic nervous system stimulation___the heart rate |  | Definition 
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        | ____ ____is the volume of blood ejected from the ventricle with each beat |  | Definition 
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        | The P wave represents the ____contracting |  | Definition 
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        | the QRS represents the ventricle _____ |  | Definition 
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        | The T represents the ventricle _____ |  | Definition 
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        | ____is the inner layer of the heart wall |  | Definition 
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        | _____is the middle muscle of the heart |  | Definition 
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        | myocardium is the ____layer of the heart |  | Definition 
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        | ____is the outer layer of the heart |  | Definition 
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        | visceral pericardium is also known as _____ |  | Definition 
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        | epicardium is the ___of the heart |  | Definition 
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        | ____fluid fills the space between the visceral and parietal pericardium |  | Definition 
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