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20 Cards in this Set
- Front
- Back
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path of blood from heart to body
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systematic circulation
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fluid part of blood
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plasma
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cell fragment that helps blood to clot
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platelet
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path of blood from heart to lungs
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pulmonary circulation
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smallest type of blood vessel
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capillary
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protein in bloodthat carries oxygen
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hemoglobin
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structure containing vocal cords
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larynx
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buildup of fat deposits on artery walls
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atherosclerosis
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tube in throat through which air passes
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pharynx
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largest artery
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aorta
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t/f: air moves from the pharyx into the *bronchus*
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false; trachea
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t/f: the tiny sacs where gas exchange takes place are the *lymphocytes*
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false; alveoli
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t/f: the *diaphragm* is a muscle that enables breathing
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true
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t/f: loss off elasticity in the lungs is called *lung cancer*
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false; enphypaions
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t/f: the stimulant drug in tobacco smoke is known as *tar*
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false; nicotine
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thick middle muscle layer of the heart; pumps blood through the circulatory system
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myocardium
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an upper chamber of the heart that receives blood that is about to enter the ventricle
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atrium
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the lower chamber of the heart which pumps blood out of the heart
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ventricle
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flaps of connective tissue between the atrium and the ventricles that prevents the backflow of blood
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valve
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small group of cardiac muscle cells in the right atrium that set the pace for the heart as a whole; also known as the sinoatrial node
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pacemaker
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