nervous system structures Flashcards
1
Q
what are the two divisions of the nervous system?
A
central nervous system
peripheral nervous system
2
Q
what are the organs associated with the CNS?
A
brain & spinal cord
3
Q
what are the functions of the CNS?
A
4
Q
how many pairs of nerves are used to signal to and from the nervous system?
A
CNS: 12 pairs of cranial nerves
PNS: 31 pair of spinal nerves
5
Q
all neurons are made up of what three components?
A
cell body (soma), dendrites, & axon
6
Q
structurally, neurons are classified into…
A
unipolar, multipolar, & bipolar
7
Q
A