What is one of the main functions of the liver in the body?

The liver plays a crucial role in several vital functions within the body, and one of its main functions is to aid in digestion and detoxify harmful substances. It produces bile, which is essential for the digestion of fats, but its role extends beyond just digestion. The liver processes nutrients absorbed from the digestive tract, converting them into forms that can be used by the body. It detoxifies metabolites, breaks down drugs and alcohol, and helps to filter and remove toxins from the bloodstream.

Additionally, the liver synthesizes important proteins such as clotting factors and albumin and regulates various biochemical pathways essential for metabolism. This multifaceted role highlights the liver's importance in maintaining overall health and homeostasis. While the liver does regulate blood sugar levels and produce bile for fat digestion, it is the comprehensive function of aiding in digestion and detoxification that best encapsulates its main role within the context of this question.