THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -In humans, saliva is around 99% water, plus electrolytes, mucus, white blood cells, epithelial cells (from which DNA can be extracted), enzymes (such as lipase and amylase), antimicrobial agents (such as secretory IgA, and lysozymes).

Detailed explanation-2: -Saliva is a complex secretion. About 93% by volume is secreted by the major salivary glands and the remaining 7% by the minor glands. About 99% of saliva is water and the other 1% is composed of organic and inorganic molecules [4].

Detailed explanation-3: -Our saliva is ninety-nine per cent water. The remaining one per cent, however, contains numerous substances important for digestion, dental health and control of microbial growth in the mouth. The salivary glands in our mouth produce about 1-2 litres of saliva daily.