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Nervous System
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Nervous System

Dec 13, 2015

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Una concisa presentacion acerca de los puntos mas basicos sobre el sistema nervioso.
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Page 1: Nervous System

Nervous System

Page 2: Nervous System

The nervous system works based on electrical signals that stimulate the activities in muscles and glands.

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The BrainThe brain is protected by the skull and is divided into:

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The Brain

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Spinal CordWorks as a cable that transmits signals and it goes from the base of the brain to the base of the back. It is protected by the vertebral column.

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Reflex ArcThe reflex arc is the simplest behavior of the nervous system.

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Central Nervous SystemIs formed by the brain and spinal cord, it receives and process sensory information, elaborates thoughts and orders responses.

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Peripheral Nervous SystemIs composed of neurons located outside the CNS, it connects the CNS to the body.

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Neurons

The neuron is the function unit of the nervous system. It is a specialized cell that carries out four functions.

•Receive information.•Produce electrical signals.•Transmit the signal.•Communicate with other cells.

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Neurons

Synapse is a very specialized union among neurons, that transmits nerves impulse between neurons.

The cell body integrate electrical signals to produce a big one called action potential.

Dendrites respond to stimuli from other neurons or from the external environment, through neurotransmitters.

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Neurotransmitters

Reward

Bonding

Happiness

Euphoria

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Nervous System Alterations

Psychosomatic diseaseEpilepsy

Parkinson

AlzheimerMultiple Sclerosis