digestive system Flashcards
1
Q
Teeth / mouth
A
Grinds and breaks up food - mechanical digestion
2
Q
Salivary glands
A
Saliva moistens food to allow swallowing. Enzymes in saliva digests certain food
3
Q
Liver
A
Makes bile to neutralise stomach acid and emulsify fats
4
Q
Stomach
A
- Churns food
- Adds hydrochloric acid to kill bacteria
- Produces enzymes to kill bacteria
5
Q
Oesophagus
A
Contracts muscle to force food along
6
Q
Gall bladder
A
Stores bile.
7
Q
Pancreas
A
Makes enzymes to digest food
8
Q
Large intenstine
A
Large surface area to absorb water from indigestible remains
9
Q
Small intestine
A
- Contains enzymes to digest food
- Contains villi
- Absorbs food through gut wall into blood
10
Q
Enzymes in mouth
A
salivary amylase
11
Q
Enzymes in pancreas
A
- protease
- carbohydrase
- lipase
12
Q
Enzymes in stomach
A
- protease in acid
