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The Digestive System

Organs and Functions of the Digestive System

QuestionAnswer
What are the four functions of the digestive system? Ingestion, Digestion, Absorption, and Elimination.
What are the two digestion processes? Mechanical and Chemical Digestion.
What is Mechanical Digestion? The physical breakdown of food. Ex. Chewing, churning
What is Chemical Digestion? The enzymatic breakdown of food. Ex. Digestive enzymes, mucosa
What do Salivary Glands do? Sends saliva through ducts to the mouth.
What does Saliva do and contain? Saliva contains salivary enzyme, that begins the process of digesting starch and also lubricates food.
What is the name of food mixed with saliva as it passes to the pharynx? The Bolus
What does the pharynx serve as? A passageway for food.
What does the epiglottis do? Closes off the trachea, forcing food into the esophagus.
What is Peristalsis? A series of wavelike muscle contractions that propel substances down the esophagus.
Where is the Cardiac Sphincter found? A muscle found closing the esophagus off from the stomach.
What are Rugues? Deep grooves/folds in the wall of the stomach.
What are the three Gastric Juices?
Created by: brylee.martin