The Structure That Regulates the Size of the Opening for Light

question 41

Multiple Choice

The structure that regulates the size of the opening for light in the eye is the

• A) pupil.
• B) retina.
• C) iris.
• D) ciliary muscle.
• E) lens.

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Definitions:

Language Development

The method through which children grasp and express language during their early years.

Biology

The scientific study of life and living organisms, focusing on their structure, function, growth, origin, evolution, and distribution.

Environment

The surroundings or conditions in which a person, animal, or plant lives or operates.