The structures in the walls of eyes that help to control the amount of light entering the eye. Concept introduction: There are supposed to be five sense organs. They are skin, eyes, nose, tongue, and ears. All have a different anatomy and hence they perform different functions. Eyes have different cells that help in receiving light and it has optic nerves that help in sending the impulse of vision to the brain. Similarly, ears have auditory nerves that carry the impulses of sound to the brain and so on.

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Chapter 16, Problem 15DYKB

Summary Introduction

To determine:

The structures in the walls of eyes that help to control the amount of light entering the eye.

Concept introduction:

There are supposed to be five sense organs. They are skin, eyes, nose, tongue, and ears. All have a different anatomy and hence they perform different functions. Eyes have different cells that help in receiving light and it has optic nerves that help in sending the impulse of vision to the brain. Similarly, ears have auditory nerves that carry the impulses of sound to the brain and so on.

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