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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 |