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cardiovascular disease
a collective term for various diseases of the heart and blood vessels.
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platelets
cell fragments that allow blood clots
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hypertension
sustained abnormally high blood pressure
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atherosclerosis
a form of CVD in which the inner layers fo artery walls are made thick and irregular by plaque deposits; arteries become narrowed, and blood supply is reduced.
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lipoproteins
low density protein-and-lipid substances in the blood that rary fats and cholesterol; classified acccording to sizze, density, an chemical composition.
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low-density proteins
a lipoprotien containing a moderate amount of protein and a large amt of cholesterol; bad choleterol
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high density lipoprotein
a lipoprotein containing relatively little cholesterol that helps transport cholesterol out of the arteries; good cholesterol
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plaque
a deposit of fatty (and other) substances on the inner wall of an artery
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coronary heart disease
heart disease caused by atherosclerosis in the arteries that supply blood to the heart muscle; also called coronary artery disease.
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heart attack
damage to, or death of heart muscle, resulting from a failure of the coronary ateries to deliver enough blood to the heart
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angina pectoris
a condition in which the heart muscle does not recieve enough blood, causing severe pain in the chest and often in the arm and sholder.
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arrhythmia
a change in the normal pattern of the heartbeat
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sudden cardiac death
- a nontrauma, unexpected death from sudden cardiac arrest, most often due to arrhythmia
- in most instances, victims have underlying heart disease
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stroke
when blood supply to some part of the brain is cut off. resulting in the destruction of brain cells
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cancer
abnormal, uncontrolled multiplication of cells
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tumor
a mass of tissue that serves no physiological purpose; also called a neoplasm
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benign tumor
a tumor that is not cancerous
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malignant tumor
a tumor that is cancerous and capable of spreading
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lymphatic system
a sys of vessels that returns protiens, lipids, and other substances from fluid in the tissues to teh circulatory system.
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metastiasis
the spread of cancer cells from one part of the body to another.
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carcinogen
any substance that causes cancer
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chemotherapy
the treatment of cancer with cancer with chemicals that selectively destroy cancerous cells
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cirrhosis
a disease in which the liver is everely damaged by alcohol, other toxins, or infection
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environmental smoke
secondhand smoke
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mainstremam smoke
smoke inhaled by smoker and exhaled into the atmosphere
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sidestream smoke
smoke from the burning end of a cigarette
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