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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: Grade 9
Author: cjones09
Last Modified: 7 years ago

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Nervous and Endocrine Systems Question

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Grade 9 Nervous and Endocrine Systems

What part of the eye thickens when adjusting to the distance of an object?
  1. pupil
  2. cornea
  3. lens
  4. cones