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nutrition/digestion
| Term | Definition |
|---|---|
| nutrient | chemical substance needed for body growth, energy, and life process |
| protein | nutrient needed to build and repair cells |
| carbohydrate | nutrient needed to supply energy |
| amino acid | building block of proteins |
| vitamin | nutrient found in many foods |
| deficiency | disease caused by lack of certain nutrient |
| mineral | nutrient needed by body to develop properly |
| calorie | unit used to measure energy in food |
| oxidation | slow burning of foods in your body |
| digestion | process by which foods are changed into forms body can use |
| esophagus | tube that connects mouth to stomach |
| epiglottis | flap of tissue that prevents food from entering windpipe |
| peristalsis | wavelike movement that moves food through the digestive tract |
| saliva | liquid in mouth that helps digestion |
| chyme | thick liquid from food |
| gastric jiuce | juice produced in stomach that contains mucus, pepsin, and hydrochloric acid |
| absorption | movement of food from digestive system to the blood |