Science Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Nutrients | are the substances in food that provide the raw materials and energy the body needs to carry out all it's essential processes
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| Calorie | is the amount of energy needed to raise the temp of one gram of water by one degree
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| Carbohydrate | The nutrient which are composed of carbon,oxygen, and hydrogen, are a major sources of energy
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| Glucose | One sugar is the major source of energy for your body's cell
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| Fats | like carbohydrates, energy- containing nutrients that are composed of carbon, oxygen, and hydrogen
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| Proteins | are nutrients that contain nitrogen as well as carbon, hydrogen, and oxygen.
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| Amino Acid | Proteins are made up of small units, which are linked together chemically to form large protein molecules
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| Vitamins | Act as helper molecules in a variety of chemical reactions in the body
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| Minerals | Nutrients that are not made by living things
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| Digestion | The process by which your body breaks down food into small nutrient molecules
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| Absorption | Is the process by which nutrient molecules pass through the wall of your digestive system into your blood
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| Saliva | The fluid released when your mouth waters
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| Enzymes | Are proteins that speed up chemical reactions in the body
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| Epiglottic | As you swallow, a flap of tissue called
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| Esophagus | The food goes in it, a muscular tube that connects the mouth to the stomach
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| Mucus | The esophagus is lined, a thick, slippery substance produced by the body
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| Peristalsis | These involuntary waves of muscle contraction
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| Stomach | When food leaves the esophagus, a J- shaped, muscular pouch located in the abdomen
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| Small Intestine | Is the part of the digestive system where most chemical digestion takes place
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| Liver | Is located in the upper right portion of the abdomen
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| Bile | Is the substance that breaks up fat particles.
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| Pancreas | Is a triangular organ that lies between the stomach and the first part of the small intestine.
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| Villi | Millions of tiny finger- shaped structure
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| Large Intestine | Is the last section of the digestive
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| Rectum | The large intestine ends in a short tube
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| Anus | Waste material is eliminated from the body, a muscular opening at the end of the rectum.
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