where is saliva produced
Saliva is a watery substance located in the mouths of animals, secreted by the salivary glands. Human saliva is 99.5% water, while the other 0.5% consists of electrolytes, mucus, glycoproteins, enzymes, antibacterial, and bacteria compounds such as secretory IgA and lysozyme.The enzymes found in saliva are essential in beginning the process of digestion of dietary starches and fats.here is much debate about the amount of saliva that is produced in a healthy person per day; estimates range from 0.75 to 1.5 litres per day while it is generally accepted that during sleep the amount drops to almost zero.