What are the functions of the liver in the body?

The liver is one of the most important organs in the human body and it performs a variety of functions, including:

1. Detoxification: The liver helps to detoxify the body by filtering out harmful substances from the blood. This includes toxins, drugs, and alcohol.

2. Protein Synthesis: The liver is responsible for producing many of the proteins needed by the body. This includes proteins involved in blood clotting and immune system function.

3. Production of bile: The liver produces bile, a substance needed for digestion. Bile helps to break down fats and aids in the absorption of fat-soluble vitamins.

4. Storage: The liver stores several important substances, including glucose (in the form of glycogen), vitamins, and iron. These substances can be released into the blood when needed.

5. Metabolism: The liver plays a key role in the metabolism of carbohydrates, fats, and proteins. It helps to convert these nutrients into energy and other useful substances.

6. Regulation of blood composition: The liver helps to regulate the levels of various substances in the blood, including glucose and lipids.

7. Immune function: The liver contains a large number of immune cells that help to fight off infections and diseases.