Respuesta :
Leptin is the hormone that notifies your brain if you have eaten enough and your calorie intake is sufficient. Leptin is called the "Master" Hormone. It regulates Body Weight. Leptin is a hormone that is produced by the body's fat cells that decreases your appetite.
This question is not complete
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
Answer:
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.