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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: Grade 9
Tags: brain
Author: Annetteaurelio
Last Modified: 6 years ago

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Nervous and Endocrine Systems Question

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Grade 9 Nervous and Endocrine Systems

At birth, a baby's brain is what percent of its adult size?
  1. 100%
  2. 75%
  3. 65%
  4. 50%