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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: Grade 4
Author: Ureesha
Last Modified: 6 years ago

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Nervous and Endocrine Systems Question

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Grade 4 Nervous and Endocrine Systems

What is the effect of the inner ear vibrating?
  1. The inner ear's walls are lined with hairs.
  2. Vibrations pass through the middle ear bones.
  3. Nerve cells send sound signals to the brain.
  4. The outer ear collects and guides sound waves.