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Stack #14691

Wonderfully Made Vocabulary- 3rd Grade Science

nervous system the system of nerves which includes the brain, the nerves, and the spinal cord
nerves the fibers that carry messages to and from the brain
spinal cord a bundle of nerves found in the backbone
sense organs the parts of the body that are designed to help you react to things around you
iris the colored part of the eye that controls the size of the pupil
pupil the black hole in the center of the eye that becomes smaller of larger to control the amount of light that enters the eye
optic nerve the nerve which carries the message of sight to the brain
vibrate to move rapidly back and forth
sound waves sound vibrations traveling through the air
cochlea the part in the inner ear which is filled with liquid that stimulates the auditory nerve
auditory nerve the nerve which carries the message of hearing to the brain
molecules tiny particles of a substance
taste buds the little bumps on the tongue which contain nerves for the sense of taste
pores the tiny holes in the skin
perspiration the liquid waste that is given off through the pores of the skin
scab the protective crust that forms over a wound when your skin has been cut
Created by: tangotweetheart