Digestive System

Absorption of nutrients

Elimination of waste products

Production of red blood cells

Physical breakdown of food

Gastrointestinal Tract

GI Tract

Respiratory Canal

Alimentary Canal

Salivary glands

Pancreas

Small intestine

Gallbladder

Aids in mechanical digestion

Produces saliva

Protects the teeth

Begins breakdown of carbohydrates

Mixes food with saliva

Serves as a passageway for food from the mouth to the esophagus

Begins the breakdown of carbohydrates

Produces digestive enzymes

To connect the pharynx to the stomach and propel food by peristalsis

To store food and begin digestion

To absorb nutrients into the bloodstream

To produce digestive enzymes

Cardiac sphincter

Pyloric sphincter

Rugae

Epiglottis

Duodenum

Jejunum

Ileum

Colon

To produce bile

To store and concentrate bile until needed

To secrete digestive enzymes

To absorb nutrients

Absorbing nutrients from digested food

Regulating water balance

Producing certain vitamins

Eliminating undigested material

Physical digestion

Chemical digestion

Absorption

Fermentation

Cholecystitis

Cholelithiasis

Constipation

Cirrhosis

Viral infection

Excessive alcohol consumption

Gallstones

High-fat diet

Avoiding chocolate and fatty foods

Taking antacids

Lying down immediately after eating

Stopping smoking

Hepatitis A is spread through contaminated food or water.

Hepatitis B and C are spread through blood and body fluids.

All types of hepatitis are caused by bacteria.

Universal precautions help prevent Hepatitis B and C.

Stress

H Pylori bacteria

Spicy food

Alcohol