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What are the properties of saliva? |
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Answer» (i) The fluids secreted by major and minor salivary glands constitute saliva. (ii) Saliva is slightly acidic and its pH is 6.8 (iii) Saliva is a mixture of water and electrolytes (Na+ K+,Cl−, HCO3−) derived from blood plasma, mucous, serous fluids and salivary amylase or ptyalin enzyme and lysozyme (antibacterial agent), secreted by salivary glands. (iv) Ions of thiocyanate are also present in saliva. |
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