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| a substance found in food that provides energy, or a raw material that the body needs in order to carry out its life processes |
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| the process by which a living organism assimilates food and uses it for growth, liberation of energy, and replacement of tissues |
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| energy-rish organic compounds such as sugar or starch that are made of the elements carbon, hudrogen, and oxygen; provides raw materials to make parts of cells |
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| a large organic molecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur that is used for tissue growth and repair; plays an important role in the chemical reactions of cells |
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| "Any of a group of organic compounds, including the fats, oils, waxes, sterols, and triglycerides, that are insoluble in water but soluble in nonpolar organic solvents, are oily to the touch, and together with carbohydrates and proteins constitute the principal structural material of living cells." -dictionary.com |
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| nutrients that are not made by living things; present in soil and absorbed by plants through their roots |
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| act as helper molecules in a variety of chemical reactons within the body |
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| the process by which your body breaks down food into small nutrient molecules |
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| involves food being physically broken down into smaller pieces (teeth) |
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| the process by which food is broken down by chemicals (saliva) |
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| proteins that speed up chemical reactions in your body, such as the chemical found in saliva that breaks down starch |
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| the fluid released when your mouth waters; performs major jobs in both mechanical and chemical digestion in your mouth |
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| waves of muscular contractions that occur in your esophagus, stomach, and other parts of the digestive system; they keep food moving at all times |
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| "any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar" -dictionary.com |
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| found in the digestive juices of your stomach; chemically digests the food in your stomach, breaking it down using acids |
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| tiny finger-shaped structures that cover the surfaces inside your small intestine, absorb nutrient molecules |
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| the process by which nutrient molecules pass through the wall of your digestive system into your blood |
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