Digestive System - Oral Cavity NOT DONE

Digestive system parts (3)

1. Oral cavity

2. Alimentary canal

3. Accessory glands

Alimentary canal structures (4)

1. Esophagus

2. Stomach

3. Small/large intestines

4. Rectum/anus

Accessory glands (4)

1. Salivary glands

2. Pancreas

3. Liver

4. Gall bladder

fluids, enzymes, emulsifying agents

Digestive system processes (6)

1. Ingestion (eating)

2. Mastication (chewing)

3. Deglutition (swallowing)

4. Digestion

5. Absorption

6. Elimination

What occurs during ingestion of food? (4)

• Reduction in size

• Moistened

• Digestion started

• Bolus formed

Oral cavity

• 2 parts

• Locations

1. Vestibule

• external

• between lips, cheeks, dental arches

2. Oral cavity proper

• internal

Mucosa

• Defintion

• Parts

Mucous tissue lining body cavities exposed to environment/internal organs

• Epithelium + Lamina propria

Epithelium + lamina propria functions (3)

1. keeps CT moist

2. secretes mucus

3. prevents pathogen entry (barrier)