The Small Intestine Flashcards
What are the two parts of the small intestine?
The duodenum and ileum
How long is the duodenum?
It is 10cm long
How long is the ileum?
It is 6 metres long
What happens to food in the duodenum?
Food is mixed with a juice which contains a mixture of enzymes
Name the 3 enzymes in the duodenum
Amylase, Protease and Lipase
What nutrients do these enzymes breaks down?
Starch, Protean and Fat
What does amylase do?
Amylase breaks down starch into glucose
What does protease do?
Protease breaks down protein into amino acids
What does lipase do?
Lipase breaks down fat into fatty acids and glycerol
Name 2 jobs the ileum does?
- Finishes digestion
- Absorbs small molecules
What enzymes are released by the ileum?
The juice released in the ileum contains more amylase, protease and lipase