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Nutrients cross the intestine wall
Age 11 · Biology
Digested food is broken into tiny nutrients inside the small intestine. These nutrients pass through the intestine wall and enter the blood.
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Age 11: open this week
Browse Age 11
In the picture
- The small intestine wall: its inner surface has tiny folds that nutrients can pass through.
- A nutrient particle: it moves from the inside of the small intestine through the wall.
- A blood vessel: it collects the nutrient and carries it away in blood.
Examples
- Sugar from a piece of bread entering the blood after digestion.
- Amino acids from an egg entering the blood after digestion.
Key takeaways
- The small intestine wall lets nutrients move from digested food into the blood.
- Blood then transports nutrients to the rest of the body.
Quiz: Nutrients cross the intestine wall (Age 11)
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What happens to nutrients after they pass through the small intestine wall?
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What does blood do with the nutrients it collects?
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What feature of the small intestine wall helps nutrients pass through?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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