Question

what are properties of saliva

Answer 1

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Host Protective Properties of Saliva. It has been established that saliva plays a crucial role in reducing caries risk. This is due in large part to saliva's physical, chemical and antibacterial properties. Due to its water content and flow rate, saliva physically cleanses the oral cavity of food and debris.
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Answer 2

Answer:

Produced in salivary glands, human saliva comprises 99.5% water, but also contains many important substances, including electrolytes, mucus,antibacterial compounds and various enzymes. Electrolytes: 2–21 mmol/L sodium (lower than blood plasma) 10–36 mmol/L potassium (higher than plasma)