B2 - The Digestive System Flashcards
1
Q
The digestive system…
A
- Breaks down the food we eat
- Allows the nutrients from the food to move into our bloodstream
1
Q
What vital components does the mouth contain that helps with digestion?
A
- Saliva (enzymes)
- Teeth (mastercation)
- Tounge
2
Q
What does the oesophegas contain/do that is essential to digestion?
A
- Peristalsis - the involuntary contraction of the oesophoegas to squeeze food down
- Glands that produce mucus (secretions)
3
Q
What does the stomach contain/do that is essential to digestion?
A
- Has hydrochloric acid (HCl)
- Enzymes
- Churns
- Bile (neturalises stomach acid)
4
Q
What does the small intestine contain/do that is essential to digestion?
A
- Enzymes
- Abosrbs nutrients into the bloodstream
5
Q
What does the large instestine do that is essential to digestion?
A
Aborbs water from waste
6
Q
What does the rectum do that is essential to digestion?
A
Holds waste
7
Q
What does the anus do that is essential to digestion?
A
Passes faeces out of our bodies
8
Q
Why is the liver an essential organ to digestion?
A
Stores bile to neturalise stomach acid and emulsify fats
9
Q
Why is the pancreas essential to digestion?
A
- It creates enzymes (protease, lipase, amylase)
- Releases them into the small intestine
