Stack #120428
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| chambers of the heart | right atrium, right ventricle, left atrium, left ventricle
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| blood | Liquid- Plasma/ 55% water, 45% cell
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| red blood cells | contains heoglobin protein where oxygen binds. Prefers CO2
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| white blood cells | binds to virus and bacteria-fight diseases
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| platelets | help a cut to clot ( forms a scab)
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| artery | takes blood away from heart (oxygenated blood); Intima, media, adventitia
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| ateriole | baby artery
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| capillary | microscopic
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| venules | baby veins
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| veins | bring blood to heart ( de-oxygenated)
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| pulmonary veins | brings oxygenated blood from lungs
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| pulmonary arteries | takes deoxygenated blood to lungs
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| superior vena cava | brings deoxygenated blood into the right atrium
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| inferior vena cava | brings blood into the right atrium
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| abdominal aorta | brings oxygenated blood to body
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| systolic pressure | when the heart is in contraction
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| diastolic pressure | when the heart is at rest
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| mean arterial pressure | map=diastolic pressure + 1/3 pulse pressure: map = 2/3 diastolic pressure + 1/3 systolic pressure
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| stroke volume (sv) | milliliters of blood pumped per beat
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| cardiac output (co) | CO = HR • SV
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| Arterial sclerosis | hardening of the arteries caused by fatty deposits and plaque on the walls of an artery
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| high blood pressure | when the arteries get closer together and the blood has to be squeezed out. caused by sodium and cholesterol.
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| high cholesterol | 2 types of cholesterol. Good = hdl. Bad = ldl. Omega 3 lowers ldl. LDL clogs arteries so the blood pressure gets higher.
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| alcohol | expands blood vessels. More blood flows to skin's surface, causing person to get colder.
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| caffeine | increases heart rate,blood flow, respiratory rate, and metabolic rate.
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| nicotine | raises heart rate, and respiration rate. Causes more glucose (blood sugar). Releases more blood sugar into blood; smokers are more alert after smoking a cigarette.
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| marijuana | faster heartbeat (as much as 50%) and pulse rate.
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anatomy