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Multiple Choice
The muscles of which structure regulate the amount of light entering the eye?
A
Retina
B
Cornea
C
Lens
D
Iris
Verified step by step guidance
1
Identify the function of each structure listed: Retina, Cornea, Lens, and Iris.
Understand that the Retina is responsible for receiving light and converting it into neural signals.
Recognize that the Cornea is the eye's outermost layer, which helps focus incoming light.
Note that the Lens further focuses light onto the Retina, allowing for clear vision.
Learn that the Iris is the colored part of the eye, containing muscles that adjust the size of the pupil to regulate the amount of light entering the eye.