Please enable JavaScript.
Coggle requires JavaScript to display documents.
Nervous system and movement (Neurons (thin stucture, very long, sends…
Nervous system and movement
Nervous system
directs sensitivity
formed by nervous tissue
tissue formed by neurons
Neurons
thin stucture
very long
sends messages
recive message
neurons have three parts
dentrites
recive information from sense organs or other neurons
axon
send information to organs and form nerves
body
contains nucleus and organelles
Central nervous system
Two parts
brain
spinal cord
The brain is the centre of control of the body.
made up of three parts
cerebellum
brain stem
cerebrum
central nervous system
cerebellum
co-ordinates movements and balance our body
brain stem
regulates organs activity
cerebrum
controls voluntary action emotions and stores memory
Spinal cord
goes from the brain to the bottom f spine
is protected by the sinal column
sensory nerve
carry infornation from brain to central nervous system
motor nerve
carry orders from central nervous system to muscles and organs
peripheral nervous system
formed by nerves
two types of nerves
sensory nerve
motor nerve
Movements
involuntary
many reflex protects from dangerous
in many reflex the brain is not involved
reflex movements happen automatically without orders of brain
voluntary
brain interprets information from sense organs
also uses information as stored memores
those we choose to make consciously.