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DigestiveSystem Quiz

Grade 7

Ptyalin Chemical substance that breaks down starch in food into sugars
Enzyme Type of protein that speeds up chemical reactions (breaking down food)
Esophagus Tube that carries food to stomach
Peristalsis Waves of muscular contractions that move food through digestive system
Stomach Digestive organ that connects esophagus to small intestine
Pepsin Enzyme produced by stomach that digests proteins
Small Intestine Digestive organ where most digestion takes place
Liver Organ that produces bile that helps break down fat in the small intestine
Pancreas Organ that produces pancreatic juice and insulin that helps break down proteins, starches, and fats in the small intestine
Villus Structure in small intestine through which food is absorbed into blood stream
Large Intestine Organ in digestive system in which water is absorbed and undigested food is stored
Rectum End of the large intestine
Anus Opening at end of rectum through which solid wastes are eliminated
Mechanical Digestion Physical action of breaking down food into smaller parts
Chemical Digestion Breaking down of foods by enzymes
Digestion Breaking down of food into smaller nutrients by the body
Absorption Nutrients enter the bloodstream to be transported to body cells
How does villi help with absorption? Increases the surface area of the small intestine while making absorption faster
What protects the stomach from hydrochloric acid used to break down food? The mucus protects by coating and protecting the stomach wall
Created by: jazzyylyy