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What is the chemical in tobacco smoke that makes blood vessels become narrower?
They build up plaque which can lead to thrombosis and gangrene. Here's a link to prove it.
If a drug dilates blood vessels does it raise or lower blood pressure?
When nicotine exerts its effect on the heart, the pulse rate of the smoker will increase while smoking the cigarette. A consequence of the pulse rate increasing is that the nicotine will raise the smoker's blood pressure.
What is caused by the combined effects of nicotine tar and carbon monoxide on the cardiovascular system?
The combined effects of nicotine, tar, and carbon monoxide from smoking significantly impair cardiovascular health. Nicotine increases heart rate and blood pressure, while carbon monoxide reduces oxygen delivery to tissues, leading to increased strain on the heart. Tar contributes to atherosclerosis by promoting plaque buildup in arteries, further narrowing blood vessels. Together, these substances heighten the risk of heart disease, heart attacks, and stroke.
Does Nicotine contract blood vessels?
True
What constricts the blood vessels and deprives the body of oxygen?
nicotine
What narrows the blood vessels and can cause a heart attack?
nicotine
What in tobacco constricts blood vessels?
Nicotine is the blood vessels' constrictor. Not all blood vessels, of course, but mainly the peripheral blood vessels, including the brain capillary blood vessels.
Why is nicotine addictive and how does it affect the brain and body?
Nicotine is addictive because it activates the brain's reward system, leading to feelings of pleasure and reinforcement. When nicotine enters the body, it binds to nicotine receptors in the brain, releasing dopamine and other neurotransmitters that create a sense of pleasure and reward. Over time, the brain becomes dependent on nicotine to maintain these feelings, leading to addiction. Nicotine also affects the body by increasing heart rate, constricting blood vessels, and raising blood pressure, which can have negative effects on overall health.
Can cigarettes cause strokes?
Nicotine constricts blood vessels, which cuts down blood flow to the body's vessels, which reduces blood flow to the body's limbs. Arteries may become clogged, increasing the risk of heart attack and stroke.
What is the medical term meaning fat buildup in blood vessels of the brain?
plaque
How might a pregnant woman's use of nicotine affect her child?
Nicotine constricts blood vessels and thus reduces blood flow with oxygen and nutrients to placenta and fetus.
What chemical in tobacco smoke that makes blood vessels become narrower?
You think probable to nicotine.
