Options C & D

any regular movement associated with energy expenditure

physical activity that is planned, purposeful, and meant to improve physical fitness

organized activity with rules and competition

determination of health and sometimes skill

disease associated with a lack of physical activity

• coronary heart disease • obesity • type 2 diabetes

branch of medical science that studies occurrence, transmission, and control of epidemic diseases by studying large groups of people

estimates how common a particular disease is

• introduction of motor vehicle • changes in employment • changes in diet

there is now more sitting

jobs are more office based leading to increasing sedentary bouts

increase in fast food resulting in higher saturated fats and sugars

term given to a group of disorders of the heart and blood vessels

• hypertension • coronary heart disease • stroke

develops when the arteries of the heart cannot deliver enough oxygen-rich blood to the heart

• circulation of blood in vessels that supply heart muscle • coronary arteries supply oxygenated blood to heart • cardiac veins drain away deoxygenated blood

supplies oxygenated blood to right side of heart

supplies oxygenated blood to left side of heart

heart’s arteries can’t carry needed oxygen & nutrients to itself due to arteries being damaged, diseased, or blocked

• accumulation of fat, cholesterol, and other substances in artery walls forming hard structures called plaques • narrowing of arteries

• heart attack • stroke

blood clot around a broken plaque blocks blood flow to heart causing death of heart muscle

blockage in a blood vessel carrying oxygen/nutrients to brain is blocked causing death to brain tissue

• smoking • sex • diabetes • race