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Science Vocabulary
Question | Answer |
---|---|
Nutrients | are the substances in food that provide the raw materials and energy the body needs to carry out all it's essential processes |
Calorie | is the amount of energy needed to raise the temp of one gram of water by one degree |
Carbohydrate | The nutrient which are composed of carbon,oxygen, and hydrogen, are a major sources of energy |
Glucose | One sugar is the major source of energy for your body's cell |
Fats | like carbohydrates, energy- containing nutrients that are composed of carbon, oxygen, and hydrogen |
Proteins | are nutrients that contain nitrogen as well as carbon, hydrogen, and oxygen. |
Amino Acid | Proteins are made up of 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 |
Digestion | The process by which your body breaks down food into small nutrient molecules |
Absorption | Is the process by which nutrient molecules pass through the wall of your digestive system into your blood |
Saliva | The fluid released when your mouth waters |
Enzymes | Are proteins that speed up chemical reactions in the body |
Epiglottic | As you swallow, a flap of tissue called |
Esophagus | The food goes in it, a muscular tube that connects the mouth to the stomach |
Mucus | The esophagus is lined, a thick, slippery substance produced by the body |
Peristalsis | These involuntary waves of muscle contraction |
Stomach | When food leaves the esophagus, a J- shaped, muscular pouch located in the abdomen |
Small Intestine | Is the part of the digestive system where most chemical digestion takes place |
Liver | Is located in the upper right portion of the abdomen |
Bile | Is the substance that breaks up fat particles. |
Pancreas | Is a triangular organ that lies between the stomach and the first part of the small intestine. |
Villi | Millions of tiny finger- shaped structure |
Large Intestine | Is the last section of the digestive |
Rectum | The large intestine ends in a short tube |
Anus | Waste material is eliminated from the body, a muscular opening at the end of the rectum. |