Question

Why are the functions of Iris and Pupil different ? Explain​

Answer 1

Answer:

Light enters the eye through the pupil, and the iris regulates the amount of light by controlling the size of the pupil. ... When the sphincter pupillae contract, the iris decreases or constricts the size of the pupil.

Explanation:

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Answer 2

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Explanation:

Light enters the eye through the pupil, and the iris regulates the amount of light by controlling the size of the pupil. ... When the sphincter pupillae contract, the iris decreases or constricts the size of the pupil.