What is food made of?
monosaccharides, polysaccharides, lipids, proteins, vitamins, and minerals
What is the purpose of the digestive system?
1. to transform food into molecules of life so we can move and grom and live
2. break down food into small pieces
3. absorb molecules of life
4. eliminate waste from the body
The process by which your body breaks down food into smaller pieces
physically breaking down food into smaller pieces
Connects the mouth to the stomach- food gets down using peristalsis
involuntary wave of muscle contraction that keeps food moving along in one direction through the digestive system
Where/how does mechanical digestion start?
Mechanical digestion starts in the mouth, when the teeth break the food into smaller pieces