Diagram 1 is a drawing showing the alimentary canal of a mammal. Study the diagram carefully (a) Name the structure labelled A to J (b) What are the functions of the parts labelled A, C and H?

(C) Name the parts labelled A to H (d) State the functions of the parts labelled D and E (e) State two features common diagram I and D in diagram II (f) identify and name the parts in diagrams I and ll that perform similar functions