Saliva helps wet the food, making its passage through the digestive tract smoother. Additionally, saliva contains enzymes like salivary amylase, which begins the breakdown of complex molecules like starch into simpler sugars.
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Saliva helps wet the food, making its passage through the digestive tract smoother. Additionally, saliva contains enzymes like salivary amylase, which begins the breakdown of complex molecules like starch into simpler sugars.