Question

Why can nicotine, in the form of chewing tobacco, stimulate feelings of pleasure in the

brain when it is chewed, rather than smoked?
It stimulates neurons through the teeth that lead to pleasure centers in the
brain.
It is absorbed through the mucous membranes that line the mouth into the
bloodstream, which carries it to the brain.
The chewing action aerates nicotine particles that make their way to the
lungs, where they are absorbed into the bloodstream and carried to the
brain.
It is absorbed through the lower GI tract into the deoxygenated blood, which
is pumped back to the heart and onto the lungs.

Answer 1

Nicotine is absorbed through the mucous membranes in the mouth when chewing tobacco, leading to a quicker and more intense effect in the brain compared to smoking.

Step-by-step explanation:

Nicotine, in the form of chewing tobacco, stimulates feelings of pleasure in the brain when it is chewed rather than smoked because it is absorbed through the mucous membranes that line the mouth into the bloodstream. When chewed, nicotine particles come into contact with the mucous membranes and are directly absorbed into the bloodstream, which carries them to the brain. This rapid absorption produces a quicker and more intense effect compared to when nicotine is inhaled through smoking.

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