General Divisions Flashcards
1
Q
NS structure
A
- central NS (brain and spinal cord)
- peripheral NS (extensions from brain and spinal cord)
2
Q
CNS
A
-integration and command centre
3
Q
PNS
A
- cranial and spinal nerves
- communication lines
4
Q
PNS subdivisions
A
- Somatic (voluntary control of skeletal muscles)
- Autonomic (involuntary muscles and glands)
5
Q
NS function
A
- sensory/afferent
- motor/efferent
6
Q
Afferent nerves
A
-nerves that send (somatic sensory/visceral fibre) impulses TO the brain
7
Q
Efferent nerves
A
-carries impulses away FROM the brain, brings the effect
8
Q
ANS
A
- sympathetic
- parasympathetic
- involuntary
- innervate same effectors with generally complementary effects, but sometimes there is cooperation, and other times it is simply one-sided
9
Q
Nervous Tissue
A
- neurons
- neuroglial cells
