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What must happen for the pupil of the eye to dilate? A) The circular muscle of the iris must contract. B) Cranial nerve III must be activated. C) Stimulation of the sympathetic nervous system is required.
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Dec 28, 2020
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What must happen for the pupil of the eye to dilate?
A) The circular muscle of the iris must contract.
B) Cranial nerve III must be activated.
C) Stimulation of the sympathetic nervous system is required.
D) The optic nerve must be stimulated.
Biology
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Dmitry Nogin
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Your correct answer is A
Yaakov Ellis
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Dec 29, 2020
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Yaakov Ellis
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stimulation of the sympathetic nervous system is required
Julio Rodrigues
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Jan 4, 2021
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