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