Chemical digestion

A) Movement of molecules from digestive tract into blood
B) Chewing of food
C) Muscular contractions that propel food
D) Removal of undigested wastes from body
E) Breakdown of organic molecules with digestive enzymes

Chemical Digestion

The breakdown of complex food substances into simpler forms that the body can absorb, involving enzymes and other substances.

Organic Molecules

Chemical compounds containing carbon atoms bonded to other atoms, characteristic of living organisms but also found in some man-made substances.