1. Digestion starts as soon as you take the first bite of a meal. In fact the mouth is the beginning of the digestive tract. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use. Give one reason why chapatti tastes sweet on chewing but not eggs.
a) Because pepsin secreted in the mouth helps to convert starch into a sugar. b) Because amylase secreted in the mouth helps to convert starch into maltose.
c) Because trypsin in the mouth does not act on eggs. d) Because the palate in the buccal cavity has pores which secretes enzymes to convert starch into sugar.
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Mouth. The mouth is the beginning of the digestive tract. In fact, digestion starts here as soon as you take the first bite of a meal. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.
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