Renin

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/renin

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 enzyme class?Aspartic protease
2. What is the site of synthesis and secretion?Juxtaglomerular apparatus of the kidneys
3. What is renin and why does it help keep my blood pressure steady?Renin is a tiny enzyme made by the kidneys that starts a chain reaction to control blood pressure, fluid balance, and heart health.
4. How does renin know when to be released?Renin is released when kidney blood flow drops, less sodium reaches the tubules, or the nervous system signals it.

Aspartic Protease: An enzyme that catalyzes protein breakdown using an aspartate residue in its active site.
Juxtaglomerular Apparatus: A specialized structure in the kidney that regulates blood pressure and fluid balance.
Homeostasis: The tendency of biological systems to maintain a stable internal environment despite external changes.