cholecystokinin is the answer, good luck!
The answer is mass my friend
I don’t unD3rstand complete my the full question but comment below so I can try and understand for you
According to the research, serotonin is an inhibitory type neurotransmitter that acts in the brain regulating mood, sleep.
<h3>What is serotonin?</h3>
It is a neurotransmitter that is produced in the intestines, brain and blood platelets from the synthesis of tryptophan.
This neurotransmitter plays a relevant role in the inhibition and regulation of sleep, appetite, body temperature and anger, for example.
Therefore, we can conclude that according to the research, serotonin is an inhibitory type neurotransmitter that acts in the brain regulating mood, sleep.
Learn more about serotonin here: brainly.com/question/14482824
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