Alimentary System

Question 1

What is the alimentary system

Answer 1

1a) Upper digestive tract
oral cavity
pharynx
oesophagus

1b) Lower digestive tract - where digestion occurs
stomach
small intestine (duodenum, jejunum, ileum)
large intestine (caecum, ascending, transverse, descending colon, rectum, anus)

2) Accessory digestive organs
salivary glands
teeth
tongue
liver
gallbladder
pancreas

Question 2

What is the structure of the GI system?

Answer 2

1) Mucosa
- epithelium
- lamina propria
- muscularis mucosae
2) Submucosa
3) Muscularis externa/propria
- inner circular
- outer longitudinal
4) Adventitia