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21 Cards in this Set
- Front
- Back
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Central nervous systems |
Actsparaphrase Farrell nervous control in as your body's computer |
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Peripheral nervous system |
Controls involuntary actions of your body |
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Brain |
Soft spongy organ that weighs between two and 3 pounds |
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Right hemisphere |
Controls left side of your body |
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Left hemisphere |
Communicates with the right side of your body |
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Reflex action |
Unconscious actions |
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Cranial nerves |
12 pairs of nerves that branch out directly from the brainstem |
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Sensory nerve fibers |
Inform you about things around you |
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Motor nerve fibers |
Relay orders from your brain and spinal cord to your muscles |
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Sensory receptors |
sends messages to your brain whatever your skin comes in contact with something outside of your body |
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Olfactory receptors |
Sends messages to your brain and your brain and identifies what the odor is |
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Taste buds |
Sensory nerve receptors on the service of your tongue |
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Rods |
Detect shape and movement in dim light |
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Cones |
Distinguish color and sharp details when light is sufficient |
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Eye sockets |
hollow spaces in your skull bone |
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Eyebrows |
Help keep perspiration from running down into your eyes |
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Eyelashes |
Screen out tiny bits of dust |
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Eyelids |
Shut out to great and amount of light |
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Tears |
Moisten the underside of your eyelids and keep your eyeball clean and moist |
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Ophthalmologist |
Medical Doctor Who specializes in eye diseases or disorders |
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Optometrist |
A person who specifically trained to examine eyes and prescribed eyeglasses or contact lenses |
