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34 Cards in this Set
- Front
- Back
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Aorta |
Largest artery in the body |
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Arteriole |
Small artery |
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Artery |
Largest type of blood vessel |
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Atrioventricular bundle |
Specialized tissue in the wall between the atria |
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Atrium |
One of two upper chambers of the heart |
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Capillary |
Smallest blood vessel |
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Co2 |
Gas (waste) released by blood cells |
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Coronary arteries |
Blood vessels that branch from the aorta and carry oxygen- rich blood to the heart muscle |
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Deoxygenated blood |
Blood that is oxygen-poor |
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Diastole |
Relaxation phase of the heartbeat |
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Electrocardiogram |
Record of electricity flowing through the heart |
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Endocardiogram |
Inner lining of the heart |
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Mitral valve |
Valve between the left atrium and the left ventricle |
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Murmur |
Abnormal swishing sound caused by improper closure of the heart valves |
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Myocardium |
Muscular, middle layer of the heart |
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Normal sinus rhythm |
Heart rhythm originating in the sinoatrial node with the resting rate |
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Oxygen |
Gas the enters the blood through the lungs and travels through the heart |
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Pacemaker |
Specialized nervous tissues in the right atrium that begins the heartbeat |
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Pericardium |
Double- layered membrane surrounding the heart |
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Pulmonary artery |
Artery carting oxygen-poor blood from the heart to the lungs |
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Pulmonary circulation |
Flow of blood from the heart to the lungs and back to the heart |
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Pulmonary vein |
One of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart |
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Pulse |
Best of the heart as felt through the walls of the arteries |
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Septum |
Partition or wall dividing a cavity |
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Sinoatrial node (SA node) |
Pacemaker of the heart |
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Sphygmomanometer |
Instrument to measure blood pressure |
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Systemic circulation |
Flow of blood from body tissue to the heart and then from the heart back to the body tissues |
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Systole |
Contraction phase of the heart beat |
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Tricuspid valve |
Located between the right atrium and the right ventricle |
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Valve |
Structures in vines or in the heart that temporarily closes and opening that blood flows in only one direction |
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Vein |
Thin-walled vessel that carries blood from body tissues and lungs back to the heart |
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Vena cava |
Largest vein in the body |
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Ventricle |
One of two lower chambers of the heart |
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Venule |
Small vein |
