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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: Grade 8
Tags: Nervous System
Author: Severud
Last Modified: 6 years ago

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Nervous and Endocrine Systems Question

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Grade 8 Nervous and Endocrine Systems

Why does the cerebral cortex have so many folds and bumps?
  1. They help to keep your brain in place if you get bumped hard.
  2. They give neurons more surface area without having to have a giant head.
  3. They allow your brain to spread out more as you get older and larger.
  4. They mean your brain has too much knowledge stored in it.