Parts Of The Digestive System

Answer (a) 6 . 5

The bile is an alkaline viscous greenish yellow fluid. It contains bile salts, bile pigments, cholesterol and hospholipid. It does not have any enzymes.

The salivary glands secrete a viscous fluid called saliva. It contains water, salts, mucin and an enzyme salivary amylase or ptyalin. Amylase is a starch digesting enzyme, breaking starch into maltose and triose.