(i) Which part of the alimentary canal help in eliminating the unabsorbed food?

(i) Which part of the alimentary canal help in eliminating the unabsorbed food?
(ii) How is the exit .of waste material regulated?

(i) Anus is the part of the alimentary canal that helps in eliminating the unabsorbed food.
(ii) Anal sphincter regulates the exit of unabsorbed food. It is released in small amounts to outside.