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Summary The Nervous System
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Simple understanding of the human brain
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The Nervous SysBasic structure
The nervous system consist of the brain, spinal card, and peripheral nerves. It
cells, called neurons and sup'porting cells called glial cells
There are 3 types of neutrons:
Sensory Neurons Motor neuron
These are coupled to receptors and There control the a
specialized to defect and respond to and are responsible
different attributes of internal and behaviours including
external environment. These receptors
sensitive to light, sound, mechanical and Interneurons
chemical stimuli and do sensory modalities Interposed between
like vision, hearing, touch, smell and taste motor newtons are
When mechanical, thermal or chemical stimuli to and are far more n
the skin exceed a certain intensity, they can mediate simple refl
cause tissue damage and a special set of being responsible fo
receptors called nociceptors are activated function in the blai
Glial cells are known to make an important contribution to the development o
its function in adult brain. However they do not transmit the information the
Neutrons have an architecture that consists of a cell body, and two of sets of
called processes
Axons Dendrites
Their job is to transmit information from the
nearon on to other to which it is connected
Axon
Dendrites
Their job is to receive information being
transmitted by the axons of other neurone.
Neutrons are organized in a complex chains and networks that are the patho
information in the nervous system is transmitted
The brain and spinal cold are connected to sensory receptors and muscles lon
make up peripheral nerves.
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