Following are the functions of saliva:
Saliva helps in swallowing and speaking as it moistens and lubricates the inner lining of the oral cavity.
Responsible for the formation of bolus which is essential for gulping mass food particles.
It has a digestive enzyme, Ptyalin, that is responsible for the onset of digestion in the oral cavity itself with the conversion of starch into maltose.
Saliva keeps the teeth from decay and germs.
Final Answer:
Hence, these are a few major functions of saliva.