Nervous Tissue

2. The cell body is like a_______for the neuron.
6. Unipolar neurons have only a single process_________out from the cell body.
7. The main part of the cell, the part that carries on the_________functions, is the cell body.
9. Neurons categorized as________neurons have several dendrites and a single prominent axon.
10. If enough neurotransmitters are released at the synapse to_________the next neuron.
16. When a neuron is sufficiently stimulated, it generates an action________that propagates down the axon towards the synapse.
17. The signal is transmitted across the synapse by chemical compounds known as_________.
18. A typical neuron displays a distinctive_________.
19. A typical neuron consists of dendrites, the cell body, and an_______.
20. Nervous tissue also includes cells that do not________impulses, but instead support the activities of the neurons.
23. In the peripheral nervous system, Schwann cells are neuroglia cells that_______neuronal function by increasing the speed of impulse propagation.
24. _________neurons possess a single dendrite and axon with the cell body.
26. Neuroglia or glial cells, which have been characterized as having a________support role.
28. _______are highly specialized nerve cells that generate and conduct nerve impulses.
29. The axons are responsible for transmitting impulses over_______distances from cell body.

1. The axon is surrounded by a whitish, fatty layer called the_______sheath.
3. Dendrites are extensions, or processes, of the_________that carry impulses to the cell body.
4. _______are supporting cells that provide physical sport, remove debris, and provide electrical insulation.
5. Dendrites are responsible for responding to_______.
8. Nervous tissue responsible for coordinating and________many body activities.
11. The Schwann cells are underlain by the_______sheath.
12. Integration and________are the two major functions of nervous tissue.
13. Nervous tissue contains_______categories of cells.
14. irritability and conductivity are their two major________characteristics.
15. Outside the myelin sheath there is a cellular layer called the________.
21. The________is the gap between nerve cells, or between a nerve cell and its target.
22. Supporting, or glia, cells bind neurons together and_______the neurons.
25. It stimulates________contraction, creates an awareness of the environment, and plays a major role in emotions, memory, and reasoning.
26. There are______types of neuroglia.
27. The medullary sheath is interrupted at intervals by the_______of Ranvier.