Assertion: enzyme's liquid | /r/HasProperty | secreted by salivary glands
Facets:
Source sentences:
text: Saliva, a liquid secreted by the salivary glands, contains salivary amylase, an enzyme which starts the digestion of starch in the food; the saliva also contains mucus, which lubricates the food, and hydrogen carbonate, which provides the ideal conditions of pH (alkaline) for amylase to work.