Monogastric Digestion

Question 1

What is a Monogastric digestive system

Answer 1

Animals that have one stomach

Eg) horse, pig, human

Question 2

1. Mouth

Answer 2

Chews food and produces saliva which begins to break down the food

Question 3

2. Oesophagus

Answer 3

• Tube that passes food from the mouth to the stomach
• Movement though the oesophagus involves muscle peristalsis, which is the contraction and relaxation of muscles to move the food.

Question 4

3. Stomach

Answer 4

Can be used to store food, release the gastric juices to digest proteins

Question 5

4. Small intestine and duodenum

Answer 5

• When leaving the stomach, the feed moves into the first section of the small intestine, which is called the duodenum.
• Releases bile and pancreatic duct to prepare for further digestion through enzymes
• Food is broken down into small components so it can be absorbed through the intestine walls.

Question 6

5. Large intestine

Answer 6

• Water is removed from any remaining food particles.
• The main function of the large intestine is the absorption of water.
• Made up of caecum and colon

Question 7

6. Caecum

Answer 7

• Breaks down any leftover protein
• Considered to be the beginning of the large intestine. In herbivores the caecum is greatly enlarged and serves as a storage organ that permits bacteria and other microbes time to further digest cellulose. Partially digested food enters the caecum through the ileoacecal valve, which is normally closed. The valve occasionally opens to allow food material in.

Question 8

7. Colon

Answer 8

• Large part of the large intestine and is the final segment of the digestive systems

Question 9

8. Rectum and anus

Answer 9

An opening through which undigested food passes out of the body in the form of faeces