UNIT 2 - REVISION

The.... is a hole in the centre of the iris. Light enters through the eye here.

• Pupil

• Lens

• Retina

• Iris

The.... helps the eye to focus the light.

• Pupil

• Lens

• Retina

• Iris

The.... controls the amount of light that enters the pupil.

• Pupil

• Lens

• Retina

• Iris

The.... captures the light and produces an image.

• Pupil

• Lens

• Retina

• Iris

The.... carries impulses to the brain.

• Pupil

• Lens

• Optic nerve

• Iris

To protect your eyes, you should visit the...

To protect your eyes at the pool, you should wear...

To protect your eyes from the Sun, you should wear...

To protect your eyes at school or at home, you shouldn't read with low...

The______captures sound from the air in the form of vibrations.

• Auditory nerve

• Ear canal

• Pinna

• Cochlea