Question

mention the process of the food undergoes in the buccal cavity

Answer 1

The process of digestion in the buccal cavity: The buccal cavity performs two major functions, mastication of food and facilitation of swallowing. The teeth and the tongue with the help of saliva masticate and mix up the food thoroughly. Mucus in saliva helps in lubricating and adhering the masticated food particles into a bolus. The bolus is then conveyed into the pharynx and then into the oesophagus by swallowing or deglutition. The bolus further passes down through the oesophagus by successive waves of muscular contractions called peristalsis. The gastro-oesophageal sphincter controls the passage of food into the stomach. The saliva secreted into the oral cavity contains electrolytes and enzymes, salivary amylase and lysozyme. The chemical process of digestion is initiated in the oral cavity by the hydrolytic action of the carbohydrate splitting enzyme, the salivary amylase. About% of starch is hydrolysed here by this enzyme (optimum pH 6.8) into a disaccharide-maltose. Lysozyme present in saliva acts as an antibacterial agent that prevents infections.

Answer 2

the food was intake by the moth and the food is crushed by teeths and it mixed with saliva which is secret by salivary glands and that food turns into bolus and goes into oesophagus.... this process under goes in buccal cavity...
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