Study the diagram below and answer the questions that follow of an certain animal digestive system

Question

Study the diagram below and answer the questions that follow.

1.  Identify the above digestive system.
2. name the parts labelled A, B, C and D.
3. State one function of the part labelled D mentioned in (ii) above. 
4. What makes the part labelled c be more effective in its functions?

Answer 1

1. Digestive system of poultry
2.   
   • A-Crop
   • B-Proventiculus
   • C-Gizzard
   • D-Caecum
3. The function of D
   • Absorption of water and mineral salts
   • Digestion of cellulose due to presence of micro-organisms
4.   
   • Presence of grit
   • The organ has a very muscular wall