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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: Grade 5
Score: 1
Tags: Endocrine system
Author: Severud
Last Modified: 3 years ago

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Nervous and Endocrine Systems Question

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Grade 5 Nervous and Endocrine Systems

What are hormones?
  1. sources of energy for the body
  2. chemicals that aid in digestion
  3. chemicals that deliver messages to tell cells and organs what to do
  4. chemicals that allow your brain to think
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