9.1 Anatomy of the Digestive System Flashcards
1
Q
What are the two types of digestion related to cells?
A
Intracellular digestion: part of metabolism, involves the oxidation of glucose and fatty acids for energy.
Extracellular digestion: The process of extracting nutrients through the alimentary canal.
2
Q
What’s the difference between mechanical and chemical digestion?
A
Mechanical: physical breakdown of large food particles into small ones, but does not involve breaking chemical bonds.
Chemical: enzymatic cleavage of chemical bonds.
3
Q
What regulates the muscles of the GI system?
A
Autonomic nervous system. Parasympathetic system .
