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Discussion :: Biology

  1. Which one among the following is the hardest part of our body ?

    2. A.

     Skull bones of head
    B.

     Thumb nails
    C.

     Enamel of teeth
    D.

     Spinal vertebra

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    Answer : Option C

    Explanation :

    Enamel of teeth is the hardest part of our body.

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