What is the main function of the liver?

Correct option is B

Ans: (b) Bile production and excretion
�� Explanation: The liver has many functions, but one of its main and unique roles is the production and excretion of bile, which helps in the digestion and absorption of fats.
· (a) Produces insulin – This is incorrect; insulin is produced by the pancreas, not the liver.
· (c) Secretion of gastric juice – Incorrect; gastric juice is secreted by glands in the stomach lining, not the liver.
· (d) All of them – Incorrect for the reasons above.
✅ Hence, the correct and specific main function of the liver among the options is (b)