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Pancreas

Digestive System

Subject: 
Biology
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Tags: 
anatomy
Digestive system
Biology
Medicine
Digestion
Digestive enzyme
Human gastrointestinal tract
Small intestine
Bile
Stomach
Gastro-
Pancreas
health

DIGESTIVE SYSTEM - Transfers nutrients, salts, H2O and vitamins in food from external to internal environment Anatomy: Digestive tract (gastrointestinal (GI) tract) Mouth -> Pharynx -> Esophagus -> Stomach -> Small intestine -> Large intestine -> Anus DIGESTIVE SYSTEM Digestive System: Mouth: - teeth = mastication (incisors, canines, molars) -3 pairs salivary glands secrete saliva: 1) moistens and lubricates food 2) amylase DIGESTIVE SYSTEM Digestive System Organs Pharynx and Esophagus - transport food and water to stomach - swallowing reflex: epiglottis As food approaches stomach, sphincter relaxes so food can go into stomach Sphincter closes -> Prevents acid reflux DIGESTIVE SYSTEM
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