click below
click below
Normal Size Small Size show me how
Senses 3rd grade
Senses
Term | Definition |
---|---|
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 or 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 of 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 | little bumps on the tongue which contain nerves for the sense of taste |
Pores | the tiny holes in the skin |
Persperation | the liquid waste that is given off through the poresof the skin |
Scab | the protective crust that forms over a wound when your skin has been cut |