Which hormone signals fullness to reduce appetite?

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Multiple Choice

Which hormone signals fullness to reduce appetite?

Explanation:
Leptin is the hormone that signals fullness to reduce appetite. It’s produced by fat cells and travels to the brain, where it binds receptors in the hypothalamus to tell you you have enough energy stored. This suppresses hunger and can increase energy use. As fat stores rise, leptin levels rise and appetite falls; when fat stores fall, leptin drops and hunger can increase. This long-term signal complements short-term signals like cholecystokinin, which triggers fullness after a meal, and ghrelin, which stimulates hunger.

Leptin is the hormone that signals fullness to reduce appetite. It’s produced by fat cells and travels to the brain, where it binds receptors in the hypothalamus to tell you you have enough energy stored. This suppresses hunger and can increase energy use. As fat stores rise, leptin levels rise and appetite falls; when fat stores fall, leptin drops and hunger can increase. This long-term signal complements short-term signals like cholecystokinin, which triggers fullness after a meal, and ghrelin, which stimulates hunger.

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