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saliva

/səˈlʌɪvə/

noun
- 1. watery liquid secreted into the mouth by glands, providing lubrication for chewing and swallowing, and aiding digestion.
Word Origin late Middle English: from Latin.
Scrabble Points: 9
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More definitions, origin and scrabble points

Saliva
Bodily fluid secreted by saliva glands
Saliva is an extracellular fluid produced and secreted by salivary glands in the mouth. 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), and antimicrobial agents (such as secretory IgA, and lysozymes). Wikipedia
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