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A&P Digestive System

Mechanical Digestion Breakdown due to physical action (chewing)
Mastication Chewing
Chemical Digestion Breakdown due to chemical Alteration
Type of movement through digestive system Peristalsis
Another name for digestive tract Alimentary Canal or GI Tract
Ball like mass formed in the mouth Bolus
3 types of Salivary Glands Parotid, Submandibular, Sublingual
What forces food into the esophagus and keeps it out of larynx Epiglottis
Gums Gingiva
4 functions of digestive system Ingestion, digestion, absorption, elimination
Food moves from pharynx where Esophagus
Sphincter at top of esophagus Pharyngoesophageal
Sphincter at bottom of esophagus Gastroesophageal or lower esophageal (LES)
Food moves from esophagus into this Stomach
The bolus is mashed in the stomach to form this substance Chyme
Deglutition Swallowing
Enamel, dentin, and cementum, are related to this structure Teeth
Roof of the mouth Palate (hard and soft)
GERD is a disorder of what structure LES
Contraction of smooth muscle causes this movement Peristalsis
Common cause of stomach ulcer Helicobacter Pylori
What regulates the delivery of stomach contents into the small intestine Pyloric sphincter
Located in lining of the stomach that allows stomach to stretch Rugae
Chyme leaves the stomach and enters this Small intestines
Most digestion of food occurs here Duodenum (small intestines)
3 parts of small intestine Duodenum, jejunum, ileum
Hormones secreted by small intestine Gastrin, cholecystokinin
Food leaves the small intestine and enters this structure Large intestine
Parts of large intestine Cecum, colon, rectum, anus
Most absorption of nutrients occurs here Duodenum (small intestine)
What part prevents gastric reflux LES
Located between stomach and duodenum Pyloric Sphincter
Most absorption of water occurs here Large intestine
Feces formed here Colon
Feces stored here Rectum
Feces exits the body here Anus
Accessory organs of digestive system Liver, gallbladder, pancreas
Organ of drug detox Liver
Synthesis of bile here Liver
Storage of bile here Gallbladder
What is bile used for Breakdown of fat
Hepatic refers to Liver
Secretes the most potent digestive enzymes Pancreas
Created by: Bell501