The diagram below is an illustration of the digestive system of a class of farm animals

Question

1. Name each of the part labelled I,II,III,iv,v,vi,vii,ix,x
2.State 3 function each of the part labelled I and II
State one function of crop in the digestive system of poultry

Answer 1

1.
I - Mouth
II - Oesophagus
III - Stomach
IV - Liver
V - Gallbladder
VI - Pancreas
VII - Small intestine
IX - Large intestine
X - Anus

2.
Part I (Mouth) functions:
- Ingestion of food
- Mechanical breakdown of food through chewing
- Initiation of the digestive process through saliva production

Part II (Oesophagus) functions:
- Transport of food from the mouth to the stomach through peristalsis
- Protection of the digestive system by preventing food from entering the windpipe
- Facilitation of the movement of food through the digestive tract

The function of the crop in the digestive system of poultry is:
- Storage of food before it continues through the digestive system. The crop allows birds to consume food quickly and store it temporarily until it can be digested properly.

Overall, the digestive system of farm animals helps in breaking down food into nutrients that can be absorbed and used by the body for energy and growth.