| A | B |
|---|
| amino acid | makes up proteins |
| antioxidant | prevents chemicals from reacting with oxygen, may prevent cancer |
| carbohydrate | starch and sugars, give energy |
| chemical digestion | breaks down large molecules of food into smaller, diff. molecules |
| where does chemical digestion take place | mouth, stomach and small intestine |
| mechanical digestion | takes place when food is chewed and churned in stomach |
| saliva | watery substance produced by glands near mouth |
| peristalsis | contractions that move food down the esophagus |
| chyme | partially digested food that is a thin, watery liquid |
| villi | tiny, fingerlike projections that line the small intestine |
| nutrient | substances in food that provide energy and materials for cell growth, development and repair |
| protein | nutrients made of amino acids |
| fat | nutrient that provides energy and cushions organs |
| vitamin | organic nutrients that help your body to use other nutrients |
| minerals | inorganic nutrients that regulate chemical reactions |
| food groups | foods that contain the same type of nutrients |
