human nervous system Flashcards
1
Q
what does the nervous system allow us to do
A
react to surroundings and coordinate our behaviour
2
Q
what are the two things that make up the human nervous system
A
Central nervous system and peripheral nervous system (CNS and PNS)
3
Q
what is a nerve
A
a bundle of neurones
4
Q
how is info sent through the nervous system
A
through electrical impulses
5
Q
What makes up the CNS
A
Brain and spinal cord
6
Q
What makes up the PNS
A
all of the nerves in the body
7
Q
what si an axon insulated by
A
fatty mylean sheath
8
Q
what does the myelin sheath do
A
speed up transfer
9
Q
what is the pathway through the nervous system
A
stimulus receptor coordinator effector response
