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  1. The weight of the brain in the total weight of the body is about

    2. A.

     2%
    B.

     3%
    C.

     4%
    D.

     5%

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    Answer : Option A

    Explanation :

    The adult human brain weighs about 3 pounds (1,300-1,400 g). The adult human brain is about 2 % of the total body weight. The average human brain is 140 mm wide.
    So, the correct answer is 2%.

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