State the function of saliva.

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Question

(D) Saliva is secreted by the salivary glands in the oral cavity. It performs several vital functions: $1$. It contains mucus which helps in lubricati

Vedclass · Accepted Answer

All of the above.

Vedclass · Answer

(D) Saliva is secreted by the salivary glands in the oral cavity. It performs several vital functions: $1$. It contains mucus which helps in lubricating and adhering the masticated food particles into a bolus. $2$. The bolus is then conveyed into the pharynx and then into the oesophagus by swallowing or deglutition. $3$. Saliva also contains electrolytes ($Na^+$,$K^+$,$Cl^-$,$HCO_3^-$) and enzymes like salivary amylase and lysozyme. Therefore,all the given options are correct functions of saliva.

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