1. Introduction
  1.1 Background
  1.2 Objectives
2. Anatomy of the Digestive System
  2.1 Oral Cavity
  2.1.1 Teeth and Salivary Glands
  2.1.2 Tongue and Taste Buds
  2.2 Esophagus
  2.3 Stomach
  2.4 Small Intestine
  2.4.1 Duodenum, Jejunum, and Ileum
  2.5 Large Intestine
  2.5.1 Cecum, Colon, and Rectum
  2.6 Accessory Organs
  2.6.1 Liver, Gallbladder, and Pancreas
3. Function of the Digestive System
  3.1 Ingestion
  3.2 Mechanical Digestion
  3.3 Chemical Digestion
  3.4 Absorption
  3.5 Elimination
4. Nutritional Impact on Digestive Health
  4.1 Macronutrients and Digestion
  4.2 Micronutrients and Digestion
  4.3 Fiber and Digestive Health
5. Common Digestive Disorders
  5.1 Gastroesophageal Reflux Disease (GERD)
  5.2 Peptic Ulcers
  5.3 Irritable Bowel Syndrome (IBS)
  5.4 Inflammatory Bowel Disease (IBD)
  5.5 Gallstones
  5.6 Pancreatitis