digestive Flashcards
1
Q
What is the cell membrane?
A
A semipermeable membrane that only lets certain substances into a cell
2
Q
What is diffusion
A
diffusion is the movement of gas from high concentration into low concentration.
3
Q
What are enzymes?
A
biological molecules that speed up the rate of the chemical reactions in cells
4
Q
What is mechanical digestion?
A
The physical breaking down of food
5
Q
What is chemical digestion?
A
Breaking down of food using enzymes
6
Q
Where are enzymes produced?
A
In the liver
7
Q
What happens in the small intestine?
A
food is digested using enzymes
8
Q
What does the large intestine do?
A
Absorbs water from food
