Nervous System

3. Generally conducts impulses away from the cell body
6. Important relay station for afferent fibers traveling to the sensory cortex for interpretation
8. Neuron/ Neuron, serving as part of the conduction pathway between sensory and motor neurons
9. Sheath/ Increases the speed of impulse transmission
11. Sensory receptors found in muscle and tendons that detect their degree of stretch
13. Outermost covering of the brain, composed of tough fibrous connective tissue
14. Contains reflex centers involved in regulating respiratory rhythm in conjunction with lower brain-stem centers
15. The resting potential is reversed as sodium ions rush into the neuron
17. Body/ Location of the nucleus
18. responsible for the regulation of posture and coordination of skeletal muscle movements
20. Oblongata/ Contains autonomic centers, which regulate blood pressure and respiratory rhythm, as well as coughing and sneezing
21. of Ranvier/ Gaps in a myelin sheath
22. Cells/ Specialized cells that myelin ate the fibers of neurons found in the PNS
24. Bundle of nerve processes inside the CNS

1. Chemicals released by neurons, muscles, or glands
2. Collection of nerve cell bodies found outside the CNS
4. Sense Organs/ Sensory receptors found in the skin, which are specialized to detect temperature, pressure changes, and pain
5. Conducts electrical currents toward the cell body
7. Changes, occurring within or outside the body, that affect nervous system functioning
10. Site of regulation of water balance and body temperature
12. Junction or point of close contact between neurons
16. Neuron/ Neuron that conducts impulses toward the CNS from the body periphery
19. Neuron/ Neuron that conducts impulses away from the CNS to muscles and glands
23. Terminal/ Releases neurotransmitters
25. Collosum/ Large fiber tract connecting the cerebral hemispheres