The liver performs a variety of functions such as synthesis, storage and secretion of various substances. The functions performed by the liver are :
The liver secretes bile juice.
The liver plays a key role in carbohydrates metabolism, in lipid metabolism.
It also helps in deamination of proteins and conversion of ammonia into urea.
It is the chief organ of detoxification of toxic substances in food.
It acts as a thermoregulatory organ like skeletal muscle. as it has high glucose at its disposal.
It acts as a haematopoietic organ in the foetus and erythroblasts organ i.e. destruction of the red blood cells in the adults. Hence, the breakdown of cholesterol is not the function of the liver.
So, the correct option is 'breakdown of cholesterol'.