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

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Nervous and Endocrine Systems Question

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Grade 8 Nervous and Endocrine Systems

Which structure adjusts the size of the pupil?
  1. cornea
  2. retina
  3. lens
  4. iris