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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: Grade 7
Tags: Spinal cord
Author: AjarnKenn
Last Modified: 6 months ago

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Nervous and Endocrine Systems Question

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Grade 7 Nervous and Endocrine Systems

The body's system that perceives and responds to any changes is the
  1. nervous system.
  2. behavior system.
  3. brain system.
  4. spinal cord system.
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