Jorge, who just finished a large dinner an hour before, is offered a slice of pizza by his roommate. jorge says, "no . i'm not hungry." the digestive tract hormone is send

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Complete Question:

Jorge, who just finished a large dinner an hour before, is offered a slice of pizza by his roommate. Jorge says, "No thanks. I'm not hungry." The digestive tract hormone is sending the "I am not hungry" signal to Jorge's brain.

a. ghrelin

b. orexin

c. serotonin

d. PYY

d. PYY

Explanation:

PYY hormone is a digestive tract hormone. PYY is a peptide that is produces in lining of the small intestine and the colon by the cells present there.

When a person has eaten and the food reaches the small intestine and the colon, the cells present in the small intestine and colon is stimulated to produce PYY and it is released into the blood stream.

PYY hormone functions by attaching itself to the receptors present in the brain.

PYY hormone decreases the appetite of a human and increases the feeling of been satisfied.

a. to encourage apoptosis

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