Digestive System Flashcards
Functions of Digestive system:
(IDEA)
Ingestion
Digestion
Absorption
Elimination
Parts of Digestive System
(DDA)
Digestive tube
Digestube glands
Accessory parts
Digestive tube is consists of:
(MOPESSL)
Mouth
Oral cavity
Pharynx
Esophagus
Stomach
Small intestine
Large intestine
Digestive glands is consists of:
(SGGLP)
Salivary glands
Gastric glands
Goblet cells
Liver
Pancreas
Types of Digestion
Physical & Chemical
Digestive tube: ANTERIOR OPENING OF THE TUBE
Mouth
Digestive tube: CAVITY IMMEDIATELY POSTERIOR TO THE MOUTH
Oral Cavity
Oral cavity is bounded by:
- CHEEKS
- TONGUE
- HARD AND SOFT PALATE
- TEETH
- TONSILS
Digestive tube: POSTERIOR PART OF THE ORAL CAVITY FOR PASSAGE OF FOOD AND AIR
Pharynx
Digestive tube: COLLAPSIBLE MUSCULAR TUBE
Esophagus
Digestive tube: HIGHLY MUSCULAR POUCH
Stomach
Types of Sphincters
Cardiac
Pyloric
Duodenum
Digestive tube: LONGEST PART OF THE DIGESTIVE TUBE
Small intestine
Small intestine is divided into 3 portions:
Duodenum - neutralizes acid
Jejunum - extensive blood supply
Ileum - blood supply limited, peristaltic movements are slower
Digestive tube: MOST POSTERIOR PART
Large Intestine