Question

Why saliva gets acidic after losing CO2?

Answer 1

Answer:

Salivary pH is slightly acidic before its secretion in oral cavity. It becomes alkaline at the time of gland's secretion due to loss of carbon dioxide (CO2) and increase of saliva's bicarbonate concentration when salivary flow is increased20.

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Answer 2

Answer:

please see attached picture

Explanation:

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