Human Digestive System Flashcards
1
Q
What is the mouth used for ?
A
Teeth for chewing Salivary glands -saliva -digestive enzymes -lubricant
2
Q
Where does the food move through in the oesophagus and how?
A
From the buccaneers cavity to the stomach
-by peristalsis (a wave of muscle contractions)
3
Q
What does the stomach do?
A
- Stores the food
- mixes food with enzymes
- secretes hydrochloride acid to kill bacteria
4
Q
What closes the stomach ?
A
The pyloric sphincter
5
Q
What does bile do
A
- neutralises stomach acid
- emulsifies fat
6
Q
Where are villus and microvillis found
A
Intestine
7
Q
What are some things about villi
A
They have a large surface area and thick epithetheimum
8
Q
What does the colon do?
A
Absorbs water from faeces
9
Q
What does the rectum do?
A
Stores faeces
10
Q
What does the anus do
A
Release faeces
