A) mouth
B) stomach
C) oesophagus
D) duodenum
Correct Answer: A
Solution :
In mammals, salivary glands are present in mouth (buccal cavity). These glands secrets saliva which contain starch digesting enzyme ptylin. So in mammals starch digestion starts from mouth. Digestion does not takes place in oesophagus but in stomach and deudenun, carbohydrates, proteins and fats digestion takes place.
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