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Chapter 15 Vocab.
Term | Definition |
---|---|
nutrients | the substances in food that provide the raw materials and energy the body needs to carry out all of its essential processes. |
calorie | the amount of energy needed to raise the temperature of one gram of water by one degree Celsius. |
carbohydrate | a major source of energy made of carbon, hydrogen, and oxygen. |
glucose | the major source of energy for your body's cells; simple sugar. |
fats | energy-containing nutrients that insulate and protect internal organs. |
proteins | needed for tissue growth and repair; contain nitrogen, carbon, hydrogen, and oxygen. |
amino acids | small units which are linked together chemically to form large protein molecules. |
vitamins | act as helper molecules in a variety of chemical reactions in the body. |
minerals | nutrients that are not made by living things. |
Food Guide Pyramid | classifies food into 6 groups. |
Percent Daily Value | shows how the nutritional content of one serving fits into the recommended diet for a person who consumes 2,000 calories per day. |
Dietary Reference Intakes | guidelines that show the amounts of nutrients that are needed every day. |