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Science Vocabulary

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.
Created by: Achenry45