ICSE /Class 4
Science MCQ Based On Digestion starts in the mouth
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ICSE Class 4 Science Digestion starts in the mouth
Once you start chewing and breaking the food down into pieces small enough to be digested, more saliva is produced
Saliva secreted in mouth by salivary gland
Tongues mix the saliva with food.
Digestion starts there before you even take the first bite of a meal.
Our tongue mixes the smaller pieces of food with saliva
Our tongue then helps to push the food into a thin and long tube called the food pipe.
Food moves towards food pipe
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