Parts of the Eye and their Functions

The human eye has different parts. Each part has its own function.

• TRUE

• FALSE

When the surrounding is bright, the pupil becomes bigger to allow huge amount of light to enter the eye.

• TRUE

• FALSE

When the surrounding is dim, the pupil becomes larger to allow more light to enter the eye.

• TRUE

• FALSE

Select the main parts of the eye.

• iris

• cornea

• pupil

• lens

• lobe

Select the main parts of the eye.

• iris

• cornea

• pupil

• lens

• lobe

The ___________ is a thin transparent material that covers the fornt of the eye. It is like a glass window through which light can pass.

• cornea

• lens

• iris

• pupil

• retina

The round colored part of the eye is the ___________.

• cornea

• lens

• iris

• pupil

• retina

At the center of the iris is a dark, round opening called the ___________.

• cornea

• lens

• iris

• pupil

• retina

The ___________ is found at the back of the pupil. It changes shape in order to focus light on the retina.

• optic nerve

• lens

• iris

• pupil

• retina

Behind the retina is the ___________. It sends the image from the retina to the brain.

• optic nerve

• lens

• iris

• pupil

• retina