Health

3. an organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
6. nerve cells that transmit sensory information
7. the sensation of flavor perceived in the mouth and throat on contact with a substance
8. a short branched extension of a nerve cell
9. a nerve cell
11. the part of the nervous system that deals with the nerves outside of the brain and spinal cord
13. the largest part of the brain
14. the nucleus-containing central part of a neuron
15. the long threadlike part of a nerve cell
16. the lowest part of the brainstem and containing control centers for the heart and lungs.
17. a thing or event that evokes a specific functional reaction in an organ or tissue
18. a faculty by which the body perceives an external stimulus

1. a nerve cell forming part of a pathway along which impulses pass from the brain or spinal cord to a muscle or gland.
2. to carry information away from the CNS
4. an action that is performed as a response to a stimulus and without conscious thought.
5. a neuron that transmits impulses between other neurons, especially as part of a reflex arc.
6. the thin layer of tissue forming the natural outer covering of the body of a person
10. coordinates voluntary movements, posture, and balance in humans, being in back of and below the cerebrum
12. a junction between two nerve cells
13. the part of the nervous system that consists of the brain and the spinal cord