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Digestion: Making Things Simple
word splash
11
Science
7th Grade
05/26/2011

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Term
Epiglottis
Definition
A flap of skin that closes over the opening to the trachea(wind pipe)to prevent food from entering the lungs
Term
Nutrients
Definition
Carbohydrates
Fats
Proteins
Minerals
Vitamins
Water
Needed for your body to function and grow
Term
Peristalsis
Definition
Muscular contractions that squeezes food down the tract and through the small intestine
Term
Enzymes
Definition
made by body that breaks down nutrients in the mouth and small intestine
Term
Amylase
Definition
Enzyme in saliva that breaks down starches into sugar in the mouth
Term
Mechanical Digestion
Definition
Chewing, tearing, grinding & mixing to grind food into simpler, smaller pieces
Term
Saliva
Definition
Liquid in mouth that contains the enzyme amylase. It mixes with mucus to moisten food to make it slippery and easier to swallow.
Term
Sugar
Definition
Simple carbohydrate
Term
Carbohydrates
Definition
An energy source for the body.
3 types: starch, sugar, fiber found in foods like grains, pasta, bread & crackers
Term
Cells
Definition
Building blocks of life. Need sugar (energy) to do their jobs
Term
Esophageal sphincter
Definition
Muscle that keeps food in the stomach from going back up the esophagus
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