why liver very important?

Liver Function:

1. It regulates the composition of blood, including the amounts of sugar (glucose), protein, and fat that enter the bloodstream.
2. It removes bilirubin, ammonia, and other toxins from the blood. (Bilirubin is a by-product of the breakdown of hemoglobin from red blood cells.)
3. It processes most of the nutrients absorbed by the intestines during digestion and converts those nutrients into forms that can be used by the body. The liver also stores some nutrients, such as vitamin A, iron, and other minerals.
4. It produces cholesterol and certain important proteins, such as albumin.
5. It produces clotting factors, chemicals needed to help blood clot.
6. It breaks down (metabolizes) alcohol and many drugs.
7. Detoxifies the blood to rid it of harmful substances such as alcohol and drugs
8. Stores some vitamins and iron
9. Stores the sugar glucose
10. Converts stored sugar to functional sugar when the body's sugar (glucose) levels fall below normal
11. Breaks down hemoglobin as well as insulin and other hormones
12. Converts ammonia to urea, which is vital in metabolism
13. Destroys old red blood cells (called RBC's)
14.  Also liver plays a good part in metabolism & secretion of Bilirubin. There fore, any damage to the liver organ may affect any of the above functions. The most important tests used in the diagnosis of liver diseases are S.Got, S.Gpt, T.S. Bilirubin, T.S. Protein & alkaline phosphates

References:

- http://www.healthline.com/human-body-maps/liver

- http://www.webmd.com/hepatitis/tc/what-the-liver-does-topic-overview