Question

what is mean by nicotine​

Answer 1

Answer:

a toxic colourless or yellowish oily liquid which is the chief active constituent of tobacco. It acts as a stimulant in small doses, but in larger amounts blocks the action of autonomic nerve and skeletal muscle cells.

Explanation:

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Answer 2

Answer:

Nicotine is a widely used stimulant and alkaloids that us naturally produced in the nightshade family of plants.

it is used fir smoking cessation to relieve withdrawal symptoms.