Answer:
Nicotine which stimulates nAChRs produces the release of neurotransmitters, predominantly dopamine but also norepinephrine, acetylcholine, serotonin, GABA, glutamate, and endorphins. These neurotransmitters cause the various responses and behaviors after nicotine intake.
Dopamine is a chemical released by neurons to send signals to other nerve cells.
In order for neurons to send messages throughout the body, they need to be able to communicate with one another to transmit signals. However, neurons are not simply connected to one another. At the end of each neuron is a tiny gap called a synapse and in order to communicate with the next cell, the signal needs to be able to connect with other cells to reach the brain.
Step-by-step explanation:
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