click below
click below
Normal Size Small Size show me how
8 NutritionDigestion
Grade 8 Vocabulary
Question | Answer |
---|---|
Substances in food that provides raw materials and energy your body needs | Nutients |
Major source of energy for the body | Carbohydrates |
A simple sugar that is the building block of carbs | Glucose |
Roughage; A complex carbohydrate found in plant foods that cannot be digested | Fiber |
High energy nutrients that are composed of 3 fatty acids and glycerol, broken down in small intestine | Fats |
Composed of amino acids; broken down in the stomach; Needed for tissue growth and repair; Found in meats, nuts and eggs | Protein |
Small units of proteins | Amino Acids |
Molecules that act as helpers in a variety of chemical reactions | Vitamins |
Nutrients not made of living things | Minerals |
Process in which you stomach breaks down food into small molecules so they can be absorbed into the blood stream | Digestion |
Process in which nutrients pass through the lining of the small intestine into the blood stream | Aborption |
Occurs in the mouth (chewing) food is broken down into smaller pieces | Mechanical Digestion |
nutrients are broken down into enzymes into smaller molecules | Chemical Digestion |
Carbs are broken down by chemical digestion into ? | Glucose - simple sugar |
Proteins are broken down by chemical digestion into ? | amino acids |
Fats are broken down by chemical digestion into ? | Fatty acids and glycerol |
Muscle contractions which push food through the digestive tract. Occurs in the esophagus, stomach... | Peristalsis |
Tube between the mouth and the stomach | Esophagus |
A pouch in the digestive systems where both mechanical and chemical digestion occurs, and also digestion of proteins occurs here | stomach |
Place where most chemical digestion takes place. Also, nutrient molecules are absorbed into blood | Small intestine |
Water is absorbed into the blood and feces are formed | Large intestine |
Largest organ in the body. Produces bile for breakdown of fats, and cleans blood | Liver |
Produces enzymes that flow into small intestine to aid digestion | Pancreas |