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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: Grade 11
Author: BobHatch
Last Modified: 6 years ago

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Nervous and Endocrine Systems Question

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Grade 11 Nervous and Endocrine Systems

Positive feedback systems
  1. regulate heart and breathing rates.
  2. operate in such a way that the initial stimulus is shut off or reduced.
  3. operate in such a way that the initial stimulus is enhanced and increased.
  4. regulate heart and breathing rates and operate in such a way that the initial stimulus is shut off or reduced.