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Digestive system flash cards for finals

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

Mechanical Digestion

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

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