Nervous System

2. neuron nerve cells that transmit sensory information
6. the nucleus-containing central part of a neuron
9. a junction between two nerve cells
14. a nerve cell forming part of a pathway along which impulses pass from the brain or spinal cord to a muscle or gland
15. the thin layer of tissue forming the natural outer covering of the body of a person or an animal
16. the nervous system that controls the activities of the body, 2 parts are the brain and spinal cord
17. the principal and most anterior part of the brain in vertebrates
20. a specialized cell transmitting nerve impulses

1. an action that is performed as a response to a stimulus and without conscious thought
3. a faculty by which the body perceives an external stimulus
4. an organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve
5. the nervous system outside the brain and spinal cord
7. a short branched extension of a nerve cell
8. the inner region of an organ or tissue, especially when it is distinguishable from the outer region or cortex
10. the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells
11. a thing or event that evokes a specific functional reaction in an organ or tissue
12. the part of the brain at the back of the skull in vertebrates
13. the sensation of flavor perceived in the mouth and throat on contact with a substance
18. this means to carry information away from the CNS
19. neuron a neuron that transmits impulses between other neurons