Digestive System

Question 1

What organs are considered accessory in the digestive system?

Answer 1

Teeth, Tongue, Salivary Glands

Question 2

What are the 6 basic processes?

Answer 2

Ingestion, Secretion, Mixing( Propulsion, Digestion, Absorption, Deification

Question 3

Where does the GI tract?

Answer 3

Lower Esophagus to anal canal

Question 4

What are some characteristics of the serosa of the tact?

Answer 4

Found in all parts exccept

• Esophogus
• Proximal portion of the duodenum

Composed of areolar connective tissue and simple squamous epithelium

AKA (Visceral peritoneum)

Question 5

Describe the Adventitia

Answer 5

Single layer of connective Tissue for esophogus and proximal duodenum

Question 6

Describe the Muscularis Layer

Answer 6

Skeletal Muscle- Mouth, pharynx, superior aspect of the esophogus, external anal sphincter (voluntary control of defication

Smooth muscle: found in the rest of the tract, circular and longitudinal
- contains myenteric plexes- network of neurons between circular and longitudinal muscle layers

Question 7

What three layer compose the mucosa?

Answer 7

Muscularis mucosae