How does nicotine affect the body?
a.makes one feel sleepy
b.slows breathing rate
c.increases heart rate
d.lowers blood pressure
c. increases heart rate
Nicotine is a stimulant that can increase heart rate and blood pressure. It can also constrict blood vessels, leading to reduced circulation. It can also affect breathing by causing the release of adrenaline and changing the way the body reacts to carbon dioxide levels.