Sending and receiving messages is the job of the _______
A. nervous system B. heart C. skeletal system
A. nervous system
The brain is involved in every action of the body.
A. True B. False
B. False
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
The largest sense organ is the _______
A. brain B. mouth C. skin
C. skin
The sounds for talking are produced by _______
A. vocal cords B. taste buds C. optic nerves
A. vocal cords
What nerves cause muscles to move?
A. motor nerves B. sensory nerves C. blood vessels
A. motor nerves
Blinking and sneezing are _______
A. voluntary actions B. reflexes C. thoughts
B. reflexes
When sound vibrations reach the eardrum, it _______
A. swells B. shrinks C. vibrates
C. vibrates
Nerve cells on the tongue are called _______
A. taste buds B. optic nerves C. vocal cords
A. taste buds
When air is forced into the larynx, the vocal cords _______
A. stop moving B. vibrate C. break
B. vibrate
Sensory nerves get messages from _______
A. brain B. spinal cord C. sense organs
C. sense organs
What part of the brain controls learning?
A. cerebellum B. cerebrum C. brain stem
B. cerebrum
Messages about sound are understood by the _______
A. outer ear B. bones C. brain
C. brain
A. 25 B. 4 C. 12
B. 4
What is another name for the voice box?
A. larynx B. mouth tongue
A. larynx