Question

(a) Draw a diagram depicting Human Alimentary Canal and label on it Gall Bladder, Liver and Pancreas.
(b) State the roles of Liver and Pancreas.
(c) Name the organ which performs the following functions in humans:
(i) Absorption of digested food.
​ (ii) Absorption of water.

Answer 1

Ans 20. (a)

(b) (i) Liver −It is the largest gland in the digestive system. It secretes bile, which helps in the digestion of fats into fatty acids and glycerol.

(ii) Pancreas − It secretes enzymes, such as trypsin and lipase for the digestion of proteins and fats respectively.

(c) (i) Absorption of digested food - small intestine
(ii) Absorption of water - large intestine