Question

Write the functions of liver.

Hint:

Mnemonic for liver functions: {“DMS-BDSH”} → Digestion, Metabolism, Storage, Blood purification, Detoxification, Synthesis, Heat production.

Answer 1

Step 1: Introduction
The liver is the largest gland in the human body. It is located in the upper right side of the abdomen, just below the diaphragm. It plays a vital role in digestion, metabolism, detoxification, and regulation of many substances in the blood.
Step 2: Functions of Liver
Production of bile: Helps in the emulsification and digestion of fats.
Metabolism of carbohydrates: Converts excess glucose into glycogen (glycogenesis) and stores it; breaks down glycogen into glucose (glycogenolysis).
Metabolism of proteins: Deamination of amino acids and production of urea.
Metabolism of fats: Breaks down fats and synthesizes cholesterol.
Detoxification: Removes harmful substances like alcohol, drugs, and toxins from the blood.
Storage: Stores vitamins (A, D, E, K, B12), iron, and glycogen.
Blood purification: Removes damaged red blood cells and maintains composition of blood.
Synthesis of plasma proteins: Produces albumin, fibrinogen, and prothrombin which are essential for blood clotting and osmotic balance.
Heat production: Maintains body temperature by continuous chemical activity.
Step 3: Final Answer
The liver is a multifunctional gland that helps in digestion (bile secretion), metabolism (carbohydrates, fats, proteins), detoxification, storage of nutrients, synthesis of plasma proteins, and maintenance of blood composition.