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Sympathetic stimulation causes the pupil to ____ by contracting the ____ muscle in the iris. This helps the eye focus on

Posted: Wed Jul 06, 2022 10:25 am
by answerhappygod
Sympathetic stimulation causes the pupil to ____ by contractingthe ____ muscle in the iris. This helps the eye focus on farobjects.
a. constrict - radial
b. dilate - radial
c. dilate - sphincter
d. constrict - sphincter