The liver performs numerous essential functions in the human body including metabolism, detoxification, bile production, protein synthesis, storage, regulation of cholesterol, metabolism of drugs and hormones, and immune function. It plays a central role in metabolizing nutrients, processing toxins, producing bile for digestion, synthesizing proteins, storing vitamins and minerals, regulating cholesterol levels, breaking down drugs and hormones, and defending the body against pathogens. The liver's diverse functions are interconnected and vital for metabolism, digestion, detoxification, and overall health.

1. Function of liver.
The liver is a vital organ that performs numerous essential functions in the human body. Some
of the key functions of the liver include:
1. Metabolism: The liver plays a central role in metabolism. It regulates the storage,
synthesis, breakdown, and distribution of nutrients, including carbohydrates,
proteins, and fats. It helps maintain stable blood sugar levels, stores and releases
glucose as needed, and metabolizes dietary and stored fats.
2. Detoxification: The liver acts as a primary detoxifying organ. It processes and
eliminates toxins, drugs, alcohol, and metabolic waste products from the body. It
converts harmful substances into less toxic forms and ensures their safe
elimination through bile or urine.
3. Bile Production: The liver produces bile, a substance crucial for digestion. Bile is
stored in the gallbladder and released into the small intestine to aid in the
breakdown and absorption of dietary fats and fat-soluble vitamins.
4. Protein Synthesis: The liver is responsible for the synthesis of various proteins
necessary for the body's functioning. It produces clotting factors that aid in blood
coagulation, as well as albumin, which helps maintain proper fluid balance in the
body. Additionally, the liver synthesizes numerous enzymes, hormones, and
immune factors.
5.
6. Storage: The liver serves as a storage site for essential substances. It stores
glycogen, which is converted into glucose when needed for energy. The liver also
stores vitamins (such as A, D, E, K, and B12), minerals (like iron and copper), and
fat-soluble vitamins (such as vitamin A, D, E, and K).

2. 7. Regulation of Cholesterol: The liver plays a role in regulating cholesterol levels in
the body. It produces cholesterol, metabolizes cholesterol from dietary sources,
and removes excess cholesterol by converting it into bile acids or excreting it.
8. Metabolism of Drugs and Hormones: The liver metabolizes various drugs,
medications, and hormones. It breaks down these substances into forms that can
be easily eliminated from the body, ensuring their effectiveness and preventing
their accumulation to toxic levels.
9. Immune Function: The liver houses immune cells called Kupffer cells, which help
defend the body against pathogens and foreign substances. It also plays a role in
the production of immune factors and antibodies.
The liver's functions are complex and interrelated, impacting various aspects of
metabolism, digestion, detoxification, and overall health. It is a remarkable organ that
performs vital tasks necessary for the body's proper functioning and well-being.