Biology · Human Anatomy
What is the primary function of the 'Iris' in the human eye?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To transfer visual information to the brain
- 2To protect the eye from physical injury
- 3To focus the image onto the retina
- 4To regulate the amount of light entering the eye✓
Correct answer
To regulate the amount of light entering the eye
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