Definitions Flashcards
1
Q
What does digestion mean
A
The breakdown of large food molecules to smaller food molecules.
2
Q
What does organ mean
A
A group of tissues working together to carry out a specific function
3
Q
What does the organ system mean
A
A group of organs working together to carry a function
4
Q
What does catalyst mean
A
A substance which speeds up a chemical reaction without being used up itself in the reaction. They can be used again and again
5
Q
What does enzyme mean
A
A biological catalyst made from proteins.
6
Q
What does peristalsis mean
A
Muscle movement that only occurs in the digestive system, pushes food along the system.
7
Q
A