Key Stage 2
Meaning
The small intestine is part of the digestive system.
Key Stage 3
Meaning
The small intestine is an organ in the digestive system which absorbs nutrients into the blood.
About The Small Intestine
- The Small Intestine is a very long tube to give a large area to absorb nutrients.
- There is around 1kg of bacteria inside the small intestine which helps digest the food.
- There are enzymes in the small intestine which break down large molecules into smaller molecules.
- Only small molecules can be absorbed into the blood through the wall of the small intestine.