Nervous System Flashcards
1
Q
2 parts
A
Central nervous system and peripheral nervous system
2
Q
CNS
A
Includes brain and spinal cord
3
Q
PNS
A
Includes efferent (motor) leading away from CNS to the periphery
Afferent (sensory) leading towards CNS taking info to brain.
4
Q
Functions of NS
A
receives info about organs and tissues and external environment
Interpret info received
Send impulses through body via nerves to stimulate activity
5
Q
Neuron
A
Specialised to allow conduction of electrical impulses along its length
6
Q
Dendrite
A
Carries impulses towards cell body
7
Q
Axon
A
Carries impulses away from cell body
8
Q
Myelin
A
Sheath of fatty substance
