Nervous System Organization Flashcards
1
Q
Neurons (3 types)
A
Sensory
Interneurons
Motor
2
Q
Sensory neurons
A
Afferent receptors –>
Spinal cord
3
Q
Interneurons
A
Between other neurons
Mainly CNS
4
Q
Motor neurons
A
CNS –>
Efferent –>
muscles and glands
5
Q
Reflex arcs
A
Interneurons in spinal cord relay info to the source of stimuli while simultaneously routing it to the brain
6
Q
Central Nervous System
A
CNS
Brain and spinal cord
7
Q
Peripheral Nervous System
A
PNS
Nervous tissue and fibers outside CNS
Somatic
Autonomic
8
Q
Somatic Nervous System
A
PNS –> voluntary
9
Q
Autonomic Nervous System
A
PNS –>
- Sympathetic (flight or fight)
- parasympathetic (rest and digest)