Nervous System
Brain & Spinal Cord
Eyes and Ears
Smell and Touch
Talking
100

Sending and receiving messages is the job of the _______

A. nervous system    B. heart     C. skeletal system

A. nervous system

100

The brain is involved in every action of the body.

A. True       B. False

B. False

100

In the eye, the optic nerve _______

A. lets in light    B. identifies flavors    C. sends pictures to the brain

C. sends pictures to the brain

100

The largest sense organ is the _______

A. brain     B. mouth     C. skin

C. skin

100

The sounds for talking are produced by _______

A. vocal cords    B. taste buds     C. optic nerves

A. vocal cords

200

What nerves cause muscles to move?

A. motor nerves  B. sensory nerves  C. blood vessels

A. motor nerves

200

Blinking and sneezing are _______

A. voluntary actions  B. reflexes    C. thoughts

B. reflexes

200

When sound vibrations reach the eardrum, it _______

A. swells    B. shrinks    C. vibrates

C. vibrates

200

Nerve cells on the tongue are called _______

A. taste buds    B. optic nerves     C. vocal cords

A. taste buds

200

When air is forced into the larynx, the vocal cords _______

A. stop moving    B. vibrate     C. break

B. vibrate

300

Sensory nerves get messages from _______

A. brain     B. spinal cord     C. sense organs

C. sense organs

300

What part of the brain controls learning?

A. cerebellum    B. cerebrum    C. brain stem

B. cerebrum

300

Messages about sound are understood by the _______

A. outer ear    B. bones     C. brain

C. brain

300
Taste buds can sense _______ different flavors

A. 25     B. 4     C. 12

B. 4

300

What is another name for the voice box?

A. larynx     B. mouth     tongue

A. larynx