Write the letter of the matching definition next to each term.
1. nervoussystem
A. A cell that is specialized to conduct nerve impulses
2. neuron
B. A communication that is written or spoken or signaled
3. central
C. Long nerve fiber that conducts away from the cell body of the neuron
4. peripheral
D. A major division of the vertebrate brain
5. axon
E. A message received and understood
6. receptor
F. A cellular structure that is postulated to exist in order to mediate between a chemical agent
7. nerve
G. The sensory and control apparatus consisting of a network of nerve cells
8. brain
H. The perceptual experience of seeing
9. cerebellum
I. The bodily process of inhalation and exhalation
10. cerebrum
J. Lower or hindmost part of the brain
11. medulla
K. Anterior portion of the brain consisting of two hemispheres
12. reflex
L. The sensation that results when ___ buds in the tongue and throat convey information about
13. cell
M. Emotional distress
14. information
N. Tiniest unit of living things
15. message
O. One of the contractile organs of the body
16. thinking
P. That part of the central nervous system that includes all the higher nervous centers
17. hemisphere
Q. The process of using your mind to consider something carefully
18. muscle
R. A workplace that serves as a telecommunications facility where lines from telephones can be
19. pain
S. Any bundle of ___ fibers running to various organs and tissues of the body
20. vision
T. The ___ at which the ___ beats
21. breathing
U. Half of the terrestrial globe
22. heartrate
V. An automatic instinctive unlearned reaction to a stimulus
23. movement
W. Electronic equipment external to the circuit board that contains the CPU of a computer
24. taste
X. A change of position that does not entail a change of location