Peripheral Nervous System Flashcards
1
Q
Central nervous system (CNS)
A
the brain and spinal cord and
Directs psychological and basic life processes; responds to stimuli.
2
Q
Peripheral nervous system (PNS)
A
Neurons that convey messages to and from the CNS structures
3
Q
Somatic NS
A
Conveys sensory information to the CNS & sends motors messages to the muscles
4
Q
A
5
Q
Autonomic NS
A
Serves basic life functions
E.G beating heart, response to stress
6
Q
Sympathetic NS
A
Readies the body in response to threats activates the organism
E.G fright or flight
7
Q
Parasympathetic NS
A
Calms the body down; maintains energy
8
Q
Spinal cord
A
Receives sensory input; sends information to the brain; responds either motor output
9
Q
Brain
A
Directs psychological activity; processes information; maintains life supports
10
Q
A
