2.2 Flashcards
1
Q
What do the dendrites do
A
receive signals
2
Q
what does the axon do
A
sends impulses
3
Q
what does the myelin sheath do
A
speeds up signal transmission
4
Q
what is the node of ranvies do
A
action potential occures here
5
Q
Depolarization and repolarization
A
depolarization- sodium channels open up
repolarization- potassium channels open up.
6
Q
Afferent
A
sends signals to CNS
7
Q
Efferent
A
sends signals from cns to muscle and glands
8
Q
interneuron
A
relays signals within cns