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  1. Digestion starts in man from

  2. A.

     Rectum

    B.

     Stomach

    C.

     Mouth

    D.

     Intestine

    View Answer

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    Answer : Option C

    Explanation :

    An adult's digestive tract is about 30 feet (about 9 meters) long. Digestion begins in the mouth, well before food reaches the stomach. When we see, smell, taste, or even imagine a tasty meal, our salivary glands in front of the ear, under the tongue, and near the lower jaw begin making saliva (spit).


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