Question

How does liver serve both as a digestive as well as an excretory organ.

Answer 1

Liver serves both as a digestive as well as an excretory organ in the following way:
(i)The bile juice secreted by the liver make the chyme (the semi solid and partly digested food) alkaline for the action of enzymes secreted by pancreas and small intestine.
(ii)Bile emulsify the fats for their digestion and easy absorption.