B2 Enzymes And Digestion Flashcards
1
Q
The breakdown of food is catalysed by what?
A
Enzymes.
2
Q
Enzymes are produced by specialised cells in …..
A
Glands and gut lining.
3
Q
The digestive system breakdown by enzymes.
A
.
4
Q
Salivary glands
A
These produce amylase enzyme in the saliva.
5
Q
Then goes down…..
A
Gullet (oesophagus)
6
Q
Stomach..
A
- Pummels the food with its muscular walls.
- Produces the protease enzyme, pepsin.
- Produces hydrochloric acid for two reasons: 1)kill bacteria. 2)to give right pH for protease enzyme to work.
7
Q
Liver…
A
Where bile is produced. Bile neutralises stomach acid and emulsifies fats.
8
Q
Gall bladder….
A
Where bile is stored before being released to small intestine.
9
Q
Pancreas…
A
Produces protease, amylase and lipase enzymes. It releases these into the small intestine.
10
Q
Large enzymes…..
A
Where excess water is absorbed from the food.
11
Q
Small intestine..
A
- Produces protease, amylase and lipase enzymes to complete digestion.
- Also where digested food is absorbed out of the digestive system into the blood.
12
Q
Name 3 parts of digestive system that produce protease enzymes?
A
Stomach, pancreas and small intestine.
