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Nervous system and movement (Movement (reflex movements (happen…
Nervous system and movement
directs sesitivity
is formed of nervous tissue
nervous tissue is every part of our body
The nervous system
tissue is made of one type of cell called
neurons
is formed by the central nervous system and the peripheral nervous system
Neurons
have a complex shape
Body
:contains nucleus and organelles
Dentrites
:are branches, recive information
Axon
:transmit information to others neurons
central nervous system
has two parts
the brain
:Control center
cerebellun
:co-ordinates movements,balance the body
brain system
:regulates the organ activity
cerebrum
:Controls voluntary actions
espinal cord
:goes from the brain to the botton of the spine
peripheral nervous system
is formed by the nerves
sensory nerve
carry information from the sense organs to the P.N.S
P.N.S= peripheral nervous system C.N.S=central nervou system
motor nerve
carry orders from the C.N.S to themuscles and organs
Movement
many movements are voluntary
others involuntary
to order thes movements the brain interprest info from the sense organs
reflex movements
happen automaticaly
without order from the brain
in many the brain is not involved
many are for protects as