The structure of eye and ear

Which part of the eye that controls the size of the pupil?

• eye lens

• Aqueous Humour

• iris

• cornea

Which layer of the eye that has many photoreceptors?

• sclera

• choroid

• retina

• blind spot

Which part of the eye that carries nerve impulses from the retina to the brain?

• yellow spot

• blind spot

• optic nerve

• retina

Which part of the eye that controls the thickness of the eye lens?

• suspensory ligament

• ciliary muscle

• cornea

• iris

Which part that controls the quantity of light entering the eye?

• cornea

• eye lens

• pupil

• yellow spot

What are the parts of the ear that considered as outer ear?

• eardrum

• ear pinna

• ear canal

• ossicles

Which part of the ear that amplify sound vibrations before reaching oval window?

• eardrum

• ossicles

• oval window

• eustachian tube

The parts that are not involved in hearing ....

• oval window

• eustachian tube

• cochlea

• semicircular canal

Which part of the ear that will convert sound vibrations into nerve impulses?

• ossicles

• oval window

• cochlea

• auditory nerve

Which part of the ear that will balance the air pressure on both sides of the eardrum?

• oval window

• eustachian tube

• semicircular canal

• cochlea