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Alimentary canal - class-X
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From which part of the alimentary canal does chemical digestion begins?
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A
Mouth
💡 Explanation:
Chemical digestion involves enzymes. In the mouth, chemical digestion is initiated when the food comes in contact with saliva, which is secreted by salivary glands. It contains salivary amylase which begins the digestive process by breaking down starch and converting it into maltose. Chemical digestion then further continues in stomach and then finally in the small intestine.
So, option A is the correct answer.