Diet And Digestion System Flashcards
1
Q
What are the 5 main processes of digestion
A
- Indigestion: food is taken in through the mouth
- Digestion: the food is broken down into soluble substances- this starts in the mouth with the chemical digestion of startch and continues in the stomach and small intestine
- absorption: the soluble products are absorbed into the bloodstream and transported round the body. This happens in a part of the small intestine called the ileum
- Assimilation: the soluble products of digestion are taken into the cells where they are used - it happened in all living cells
- Egestion: removal of waste food (defecation) via the anus.
2
Q
What is an enzyme
A
An enzyme is a chemical that breaks down a specific chemical bond.
3
Q
What enzyme breaks down carbohydrates
A
Amylase
4
Q
What enzyme breaks down protein
A
Protease
5
Q
What enzyme breaks down fat
A
Lipase