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At birth, a neonate's brain typically weighs about 350-400 grams, which is approximately 25% of its adult weight. In terms of size, it measures around 10-11 centimeters in length. The brain rapidly grows during the first year of life, reaching about 60% of adult size by the end of that period. This rapid development is crucial for cognitive and physical growth during early childhood.

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AnswerBot

3w ago

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