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26 Cards in this Set
- Front
- Back
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Pharynx
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A tube at the back of the mouth (throat).
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Myocardium
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Thick middle muscle layer of the heart the pumps blood through the circulatory system.
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Pulmonary Circulation
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Pathway in which the right side of the heart pumps blood to the lungs.
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Atrium
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Chamber of the heart which receives blood.
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Ventricle
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Chamber of the heart that pumps out blood.
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Sestemic Circulation
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Pathway in which the left side of the heart pumps blood to all of the body, except for the lungs.
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Valves
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Flap of connective tissue between an atrium and a ventricle that prevents backflow of blood.
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Pacemaker
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Small group of cardiac mucsle cells in the right atrium that set the pace for the hear as a whole.
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Aorta
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Large blood vessel through which blood travels from the left ventricle to all parts of the body, excpet the lungs.
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Arteries
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Large blood vessel that carries blood from the heart to the tissues of the body.
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Capallaries
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Smallest blood vessel - brings nutrients and Oxygen to the tissues and absorbs Carbon Dioxide and waste products.
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Veins
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A blood vessel that returns blood to the heart.
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Plasma
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Straw colored fluid that makes up 55% of blood - consists of about 90% water and 10% dissolved gasses, salts, nutrients, enzymes, hormones, waste products, and plasma protienes.
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Hemoglobin
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Iron-containing protien in red blood cells that transports Oxygen from the lungs to the tissues of the body.
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Phagocytes
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A white blood cell that engulfs and digests foreign cells.
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Platelet
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Cell fragment released by bone marrow into the blood stream.
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Lymph
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Fluid lost by the blood into surrounding tissue.
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Trachea
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Windpipe - tube in which air moves.
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Larynx
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Structure in the throat containing vocal chords.
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Bronchi
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Passageway leadging from the trachea to the lungs.
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Alvioli
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Tiny air sacs at the end of the bronchiole, in the lungs, that provide surface area for gas exchange to occur.
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Diaphragm
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Large flat muscle at the bottom of the chest cavity that contracts during breathing, pulling the bottom of the chest cavity down and increasing volume.
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Nicotine
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Stimulant drug in tobacco that increases heart and blood pressure.
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Emphysema
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Disease in which the tissues of the lungs lose elasticity making breathing difficult.
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Atherosclerosis
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Condition in which fatty deposits called plaque build up on the walls of the arteries.
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Sphygmomanometer
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Device used to measure blood pressure.
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