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| substances in food that provide the raw materials and energy the body needs to carry our all its essential processes. |
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| : the amount of energy needed to raise the temperature of one gram of water by one degree Celsius. |
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| an energy rich organic compound composed of carbon, oxygen, and hydrogen are a major source of energy. |
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| sugar which is the major source of energy for your body cells |
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| : are energy containing nutrients that are composed of carbon oxygen hydrogen, they contain more than twice the energy of a carbohydrate. |
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| nutrients that contain nitrogen as well as carbon hydrogen and oxygen. |
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| Small materials that proteins are made out of |
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| act as helped molecules in a variety of chemical reactions in the body. |
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| nutrients that aren’t made by living things |
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| diagram that helps people plan a healthy diet |
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| shows you how the nutritional content of one serving fits into the recommended diet for a person who consumes 2000 calories per day. |
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| Dietary Reference Intakes: |
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| Guidelines that show the amounts of nutrients that are needed every day. |
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| the process by which your body breaks down food into small 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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| the fluid released when your mouth waters |
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| proteins that speed up chemical reactions in the body |
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| A flap of tissue that seals off the windpipe and prevents food from entering |
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| A muscular tube that connects the mouth to the stomach |
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| a thick slippery substance produced by the body. |
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| involuntary waves of muscle contraction that keep food moving along in one direction through the digestion system. |
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| a J shaped muscular pouch located in the abdomen. |
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Definition
| is the part of the digestive system where most chemical digestion takes place. |
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| is located in the upper right portion of the abdomen, it’s the largest organ in the body. |
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| the substance that breaks up fat particles |
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| the organ that stores bile. |
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Definition
| is a triangular organ that lies between the stomach and the first part of the small intestine. |
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| Tiny finger shaped structures that cover the inner surface of the small intestine and provide a large surface area through which digested food is absorbed. |
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Definition
| The last section of the digestive system where water is absorbed into the blood and the remaining material is eliminated from the body. |
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| The end of the large intestine where waste material is compressed into solid form before being eliminated. |
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| A muscular opening at the end of the rectum through which water material is eliminated from the body. |
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