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18 Cards in this Set
- Front
- Back
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Nutrients |
The substances in food that provide the raw materials and energy that the body needs to carry out all of its essential processes. |
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Proteins |
Nutrients that contain nitrogen as well as carbon, hydrogen, and oxygen. Proteins are needed for tissie frowth and repair, and play a big role in the chemical reactions with cells. |
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Vitamin |
Vitamins act as the helper molecules in a variety of chemical reactions within the body. |
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Mineral |
Nutrients that are not made by living things |
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Food Guide Pyramid |
A diagram that was developed to help people maintain a healthy diet. It is split into 6 different food groups, and indicates how many servings from each group should be eaten every day to maintain a healthy diet. |
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Percent Daily Value |
Shows you how the nutritional content of one serving fits into the recommended diet for a person who consumes 2,000 Calories a day. |
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Digestion |
The process by which your body breaks down food into small nutrient molecules. |
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Absorption |
The process by which nutrient molecules pass through the wall of your digestive system into your blood |
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Saliva |
The fluid that is released when your mouth waters |
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Esophagus |
A muscular tube that connects the mouth to the stomach. |
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Peristalsis |
The involuntary waves of muscle contraction during digestion |
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Stomach |
A j-shaped, muscular pouch located in the abdomen. Most mechanical digestion and some chemical digestion takes place in the stomach |
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Small Intestine |
The part of the digestive system where most chemical digestion takes place, and stretches out to about 6 meters |
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Bile |
A substance produced in the liver that breaks up fat particles |
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Villus |
Cover the inside of the small intestine, and absorb nutrient molecules. |
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Large Intestine |
Last section of the digestive system, and is about 1.5 meters long. |
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Rectum |
Where waste is compressed into solid form. |
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Anus |
A muscular opening at the end of the rectum, and where waste is eliminated from the body. |
