Peptide YY

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/peptide-yy

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific classification?A 36-amino acid peptide hormone of the neuropeptide Y family
2. What is the primary site of synthesis?Enteroendocrine L-cells in the ileum and colon
3. Where does Peptide YY come from?It is produced by special cells called L‑cells in the last part of the small intestine and the colon.
4. How does Peptide YY make me feel full?When you eat, especially foods with fat or carbs, Peptide YY is released and travels to the brain and gut, where it slows digestion and signals that you’re satisfied.

Enteroendocrine Cells: Specialized cells in the gut lining that produce and secrete hormones in response to luminal contents.
Anorexigenic: Having the effect of suppressing appetite or reducing food intake.
Hypothalamus: A region of the brain crucial for regulating basic bodily functions, including hunger, thirst, and body temperature.