Question

which option correctly describes the function of the different regions in the alimentary canal?

A. Mouth - Ingestion
Stomach - Digestion
Small intestine - Digestion
Large intestine -Absorption and egestion

B. Mouth - Ingestion and digestion
Stomach - Digestion and absorption
Small intestine - Absorption
Large intestine -egestion

C. Mouth - Digestion
Stomach - Absorption
Small intestine - Digestion and absorption
Large intestine -Absorption

D. Mouth - Ingestion and digestion
Stomach - Digestion
Small intestine - Digestion and absorption
Large intestine -Absorption and egestion

Answer 1

b. Mouth - ingestion and digestion 
    Stomach - digestion and absorption
    Small intestine - absorption
    Large intestine - egestion

Alimentary canal is a digestive tract by which food enters. Where as it includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine,and the anus the last path of the alimentary canal.