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The nervous system and movement (The nervous system (The nervous system is…
The nervous system and movement
The nervous system
The nervous system is formed of nervous tissue.
peripheral nervous system
Is formed by nerves
Sensory nerves
carry information from the sense organs to the central nervous system
Motor nerves
carry orders from the central nervous system to the muscles and the organs
Central nervous system
Brain: It is the most important organ, and have 3 parts
cerebellum
co-ordinates movements and balance in our body
brain stem
regulates the organ activities
cerebrum
contols our voluntary actions and our emotions, and stored memory
Spinal cord: goes from the brain to the botton of the spine. Is protected by the spinal column
Nervous tissue: Is found in every part of the body
Neurons
Have a complex shape. Neurons are a type of cell with three parts
Body
which contains the nucleus and organelles
Dendrites
which are branched structures
Axon
which transmits information to others neurons and sends orders to organs
Movement
Voluntary
are those that we choose to make consciously
Reflex
happen automatically, without a conscious order from the brain
The most times is because darger situations