Enlist the composition of saliva. Describe the mechanism of secretion of saliva. (IAS 2020/15 Marks)

Enlist the composition of saliva. Describe the mechanism of secretion of saliva. (IAS 2020/15 Marks)

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Enlist the composition of saliva. Describe the mechanism of secretion of saliva. (IAS 2020/15 Marks)