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Study the drawing below and use it to answer the questions that follow.

      

Study the drawing below and use it to answer the questions that follow.

pupil12351072019.png

a) Name the part labeled X.

b) Describe the changes that occur in the structure X in dim light.

c) What is meant by the term accommodation with reference to the eye?

  

Answers


Martin
a) Iris.

b) Circular muscles relax; radial muscles contract widening the pupil.

c) Adjustment of the eye structure to bring an image from a near or far object into sharp focus on the retina.
marto answered the question on October 7, 2019 at 11:37


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