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Author Question: The ________ of the eye controls the size of the pupil. A) lens B) iris C) eyelid D) ... (Read 41 times)

jilianpiloj

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on: Jul 3, 2018
The ________ of the eye controls the size of the pupil.
 
  A) lens
  B) iris
  C) eyelid
  D) cornea

Question 2

The term threshold refers to the point at which a ________ will produce a cell response.
 
  A) current
  B) receptor
  C) contraction
  D) stimulus
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scikid

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Reply #1 on: Jul 3, 2018
Answer to Question 1

B

Answer to Question 2

D


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