Gastrointestinal tract - normal anatomy

Question 1

What are the main functions of the digestive system?

Answer 1

• digest and absorb food

-excrete waste products such as cholesterol

-mechanical processing (physical break down of foods into smaller particles for efficient absorption

-secretion of hydrochloric acid, mucus, pepsinogen

-absorption of water

Question 2

Describe the GI tract

Answer 2

10 metres long tube
starts from the mouth and ends at the anus

Question 3

Name the organs that run along the GI tract

Answer 3

oral cavity
pharynx
oesophagus
stomach
small intestine
large intestine
anal canal