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Bio CH16
Biology CH16 Senses
| Term | Definition |
|---|---|
| auditory nerve | a nerve that carries messages of sound to the brain |
| cochlea | a liquid-filled, coiled chamber in the ear that contains nerve cells |
| cone | nerve cells that can detect color |
| cornea | the clear outer covering at the front of the eye |
| dermis | a thick layer of cells that form in the inner part of the skin |
| eardrum | the membrane that vibrates at the end of the ear canal |
| epidermis | the outer layer of cells of a plant |
| farsighted | being able to see clearly far away but not close up |
| iris | a muscle that controls the amount of light entering the eye |
| lens | a clear part of the eye that changes shape as you view things at different distances |
| lens muscle | a muscle that pulls on the lens and changes its shape |
| nearsighted | being able to see clearly close up but not far away |
| olfactory nerve | a nerve that carries messages from the nose to the brain |
| optic nerve | a nerve that carries messages from the retina to the brain |
| pupil | an opening in the center of the iris through which light enters the eye |
| retina | a structure in the back of the eye made of light-detecting nerve cells |
| rod | nerve cells that detect motion and help us to tell if an object is light or dark |
| sclera | the tough, white outer covering of the eye |
| semicircular canals | inner ear parts that help us keep our balance |
| sense organ | parts of the nervous system that tell an animal what is going on around it |
| taste bud | nerve cells in the tongue that detect chemical molecules |
| vitreous humor | a jelly-like material inside the eye |