Reference no: EM132751656

The Gastrointestinal System

1. Use the following words to draw and label a diagram: Oral cavity, Tongue, Pharynx, Oesophagus, Liver, Gall bladder, stomach, small and large intestine, rectum and Anus.

2. List all the accessory organs of digestion and describe their functions.

4. What is an enzyme (define)? Name the enzyme in saliva that starts the breakdown of carbohydrates.

5. Define a sphincter. Name all the sphincters (and their locations) of the intestinal tract.

6. What are the layers and sections of the stomach? What is the stomach's function?

7. What type of muscle contraction enables the movement of food through the digestive tract?

8. Describe the length, sections and functions of the small intestine

9. Describe the length, sections, position and functions of the large intestine

10. Explain the chemical digestion of the following foodstuffs. Name the enzymes, where they are released from and how they break down each of the following: Protein, fats and carbohydrates

11. Define the following terms:

i) Ingestion

ii) Digestion

iii) Absorption

iv) Excretion

v) List the contents of faeces (stool)

12. Explain the processes that occur during defecation.