The nervous system

HideShow resource information
  • Created by: aisha997
  • Created on: 03-06-16 15:02
nervous system
detects changes or stimuli inside body or from surroundings, processes info and initiates response
1 of 9
CNS
brain and spinal cord
2 of 9
peripheral nervous system
pairs of nerves from brain to spinal cord and neurones
3 of 9
stimulus
detectable change in internal or external environment of an organism
4 of 9
reflex action
rapid involuntary response resulting from nervous impulses initiated by a stimulus, involuntary and brain not involved. protective function
5 of 9
nerve net
simple nerve cells with short extensions joined to each other and branching in a number of different directions
6 of 9
sensory neurones
bring impulses from sense organs to receptors into CNS
7 of 9
motor neurone
carry impulses from CNS to effectors
8 of 9
relay neurone
receive impulses from sensory neurones or other intermediates
9 of 9

Other cards in this set

Card 2

Front

brain and spinal cord

Back

CNS

Card 3

Front

pairs of nerves from brain to spinal cord and neurones

Back

Preview of the back of card 3

Card 4

Front

detectable change in internal or external environment of an organism

Back

Preview of the back of card 4

Card 5

Front

rapid involuntary response resulting from nervous impulses initiated by a stimulus, involuntary and brain not involved. protective function

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all coordination resources »