Describe the factors which can change the composition of saliva ?
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Saliva is composed of a variety of electrolytes, including sodium, potassium, calcium, magnesium, bicarbonate, and phosphates. Also found in saliva are immunoglobulins, proteins, enzymes, mucins, and nitrogenous products, such as urea and ammonia.
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Answer: The main factor affecting the composition of saliva is the salivary flow rate
Explanation: as the flow rate increases., the concentration of some constituents rises, for example, protein, chloride, sodium, bicarbonate, while others fall, for example, phosphate, magnesium.
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