Question

describe an activity to demonstrate the function of pupil in human eye.
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Answer 1

Explanation:

The pupil is an opening that lets light into your eye. Since most of the light entering your eye does not escape, your pupil appears black. In dim light, your pupil expands to allow more light to enter your eye. ... Some of these nerve impulses go from the optic nerve to the muscles that control the size of the pupil.

Answer 2

Pupil, in the anatomy of the eye, the opening within the iris through which light passes before reaching the lens and being focused onto the retina. The size of the opening is governed by the muscles of the iris, which rapidly constrict the pupil when exposed to bright light and expand (dilate) the pupil in dim light.