B3.2 The human digestive system Flashcards
1
Q
What does the mouth do?
A
Release saliva which contain enzymes that break your food as well as mechanically crushing the food
2
Q
What is the purpose of the small intestine?
A
Where the soluble food molecules are absorbed into your body. Once there they get transported in the bloodstream around your body
3
Q
How is the small intestine adapted?
A
Very large surface as it is covered with villi
Good blood supply
Short diffusion distances to the blood vessels
4
Q
What is the purpose of the liver?
A
Produces bile which helps in the digestion of lipids
