The system of nerves which includes the brain, the nerves, and the spinal cord

• nervous system

• nervoes system

• nervuos system

• nervous stem:

The fibers that carry messages to and from the brain is...

• spinal cord

• nerves

• brain

• backbone

A bundle of nerves found in the backbone called

• nervous system

• the brain

• spinal cord

• the nerves

The parts of the body that are designed to help you react to things around you

• sensei organs

• sender organic

• brain organs

• sense organs

The colored part of the eye that controls the size of the pupil

• iris

• pupil

• eyelids

• optic nerve:

The black hole in the center of the eye that becomes smaller or larger to control the amount of light that enters the eye:

• iris

• pupil

• eye lids

• optic nerve

What is the nerve which carries the message of sight to the brain?

• hearing nerve

• sense nerve

• auditory nerve

• optic nerve

To move rapidly back and forth:

• vibe

• vibrate

• rocket

• dizzy

Sound vibrations traveling through the air

• air waves

• sound waves

• some waves

• sound good

What is the part in the inner ear which is filled with liquid that stimulates the auditory nerve?

• optic nerve

• pupil

• cochlea

• retina