(i) As a digestive gland, what does liver secretes and where is this secretion stored? Also name the enzymes secreted by liver.
(ii) Digestive secretion of liver contains which salts? What is their function?
(i) Liver secretes bile. It is stored in gall bladder. Bile secretions contains no enzymes.
(ii) Bile contains salts, namely, sodium glycolate and sodium taUrocholate. These reduce the surface tension of large fat droplets and break them into many small ones. The process is called emulsification. Bile salts also form a thin coating around tiny fat droplets to keep them free from coalescing.