Nervous system revision

The name of the tube that connects the pharynx to the middle ear

• Auditory canal

• eustachian tube

• tympanic membrane

• Inner ear

The membranes that protect the CNS

• vertebra

• cranium

• meninges

• cerebrospinal fluid

The nervous system which consists of cranial and spinal nerves.

• PNS

• CNS

A branch of the autonomic nervous system that decreases the heartbeat back to normal.

• Sympathetic

• Parasympathetic

The watery fluid that supports the cornea and the front chamber of the eye.

• water

• vitreous humour

• jelly

• Aqueous humour

Part of the human ear that directs sound waves into the auditory canal.

• tympanic membrane

• pinna

• inner ear

• semicircular canals

Grommets may be used in the treatment of.....

• astigmatism

• cataracts

• middle-ear infections

• long-sightedness

A light stimulus is converted into a nerve impulse in the....

• iris

• retina

• optic nerve

• choroid

The part of the CNS that protects the human body from serious injury when a person steps on a thorn.

• cerebellum

• medulla oblongata

• spinal cord

• cerebrum

The pupil of the human eye is covered by the....

• cornea and retina

• conjunctiva and cornea

• conjunctiva and sclera

• retina and sclera