NERVOUS SYSTEM

3. Which neuroglia cells in CNS support neurons, help maintain K+ level and contributes to the blood-brain barrier? _____.
4. _____ don’t have the ability to divide, thus cannot be replaces if destroyed.
6. One of the universal properties of neurons is _____.
9. SNS stimulates _____ muscles.
13. _____ receive information from other neurons and send impulses in the direction of the cell body.
15. What is the gray matter within the cerebral hemispheres that regulates accessory movements and muscle tone? _____-_____.
18. Sympathetic nervous system responds to excitement due to the increase of _____.
19. The parasympathetic nervous system is known as the _____ system.
21. Which neuroglia in PNS surround neurosomas in ganglia of the PNS, provide electrical insulation and regulate chemical environment of the neurons? _____ cells.
22. _____ in CNS is capable in movement and phagocytosis of pathogens and damaged tissue.

1. The small gap between the axon of one neuron and the dendrites of the next neuron is called _____.
2. Motor functions can be divided into somatic and _____ nervous system.
5. Which neuroglia cells produce the myelin sheath to electrically insulate neurons of the CNS? _____.
6. PNS consist of _____ and spinal nerves.
7. occipital lobe is responsible for _____ areas.
8. ANS can be divided into sympathetic and _____.
10. ______ lobe is important to initiate voluntary movement.
11. the letter P in PNS stands for _____.
12. CNS consist of _____ and spinal cord.
14. function of nervous system is to detect changes and feel _____.
16. ANS oversees _____ activities.
17. Example of ANS activities is _____.
20. SNS regulates activities that are under _____ control.
23. _____ carries the impulses away from the cell body towards the next neuron in the chain.