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
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Our tongue then helps to push the food into a thin and long tube called the food pipe.
Tongues mix the saliva with food.
Once you start chewing and breaking the food down into pieces small enough to be digested, more saliva is produced
The smell of food triggers the salivary glands in your mouth to secrete saliva, causing your mouth to water.
Saliva secreted in mouth by salivary gland
Once you start chewing and breaking the food down into pieces small enough to be digested, more saliva is produced
The mouth is the beginning of the digestive system -- digestion starts there before you even take the first bite of a meal.
Our tongue mixes the smaller pieces of food with saliva
Digestion starts there before you even take the first bite of a meal.
The mouth is the beginning of the digestive system -- digestion starts there before you even take the first bite of a meal.
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