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The Digestive System

The Digestive System. Functions of the digestive system. Ingestion Mechanical processing Digestion Secretion Absorption Excretion. Steps in Digestion. Mouth – Crushing and grinding Stomach – Chemical Breakdown Small Intestine – Useful material extracted Colon – Water removal.

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The Digestive System

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  1. The Digestive System

  2. Functions of the digestive system • Ingestion • Mechanical processing • Digestion • Secretion • Absorption • Excretion

  3. Steps in Digestion • Mouth – Crushing and grinding • Stomach – Chemical Breakdown • Small Intestine – Useful material extracted • Colon – Water removal

  4. Digestive Organ’s Functions

  5. Digestive Organ’s Functions cont.

  6. Digestive Organ’s Functions cont.

  7. Digestive Organ’s Functions cont.

  8. Salivary Gland Teeth Tongue Epiglottis Esophagus Liver Stomach Gall Bladder Bile Duct Duodenum Pancreas Transverse Colon Ascending Colon Small Intestine Descending colon Appendix Rectum

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