How does smoking increase the risk of cardiovascular disease?
What will be an ideal response?
Smoking increases the risk of heart disease by promoting the development of atherosclerosis in peripheral blood vessels, which can lead to hypertension and increased risk of stroke. Tobacco smoke contains nicotine, which increases heart rate and blood pressure. Smoking increases the likelihood of blood clot, increasing risk of heart attack. Nicotine may lead to arrhythmias and potentially to sudden cardiac death. Smoking increases the risk of atherosclerosis by elevating blood cholesterol levels and promoting fat deposits in arterial walls.
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The ____ synthesizes the neurotransmitter norepinephrine and stimulates the fight-or-flight response.?
A) ?hypothalamus B) ?amygdala C) ?hippocampus D) ?locus coeruleus E) ?pituitary
Body mass index (BMI) is a direct measure of percent body fat.
Answer the following statement true (T) or false (F)
During the ________ phase of the heart cycle, the ventricles relax and fill with blood
A) diastolic B) venous C) systolic D) peristaltic
Lymphocytes contained in the thymus gland that act on antigens:
a. B cells b. T cells c. macrophages