Answer:
Explanation:
Nicotine is a type of stimulant that is chemically alkaloid. It works as the receptor agonist at the nicotinic acetylcholine receptor. It is a type of addictive chemical that increases the blood flow, heart rate and some biochemical reactions of the body. In the brain, it has stimulation as well as blocking effect. Medically, it is used for various purposes such as quitting smoking and some other.