In which part of the alimentary canal food is finally digested?

(d) Mouth → oesophagus → stomach → small intestine → large intestine

(b) Small intestine

The wall of alimentary canal contains muscle layers. Rhythmic contraction and relaxation of these muscles pushes the food forward. This is called peristalsis, which occurs all along the gut.

Hints— Mouth cavity Oesophagus Stomach Intestine

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Alimentary Canal consists of mouth (with teeth and tongue), oesophagus, stomach, small intestine, large intestine and rectum.

(d) the contraction of muscles in the wall of food pipe.