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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 |