Nervous System

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Cor And

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  • Connect oil your body parts transmit signals from one parts to another 

    Nervous System
  • It is system of cells,tissues and organs that regulates the body responsible and internal of external stimuli
    Nervous System
  • Basic of unit the nervous system
    is nerve cell or neuron
  • Human brain containing 

    100 billion neurons
  • Kinds of neurons

    Motor Neurons , Sensory Neurons
  • Transmit messages from the brain to the muscle
    Motor Neurons
  • Detect light, sound, odor, taste, pressure and heat and send messages about those things to the brain
    Sensory Neurons
  • Parts of nervous system
    Central nervous system (CNS), Peripheral Nervous System (PNS)
  • The main processing center of the entire nervous system
    Central Nervous System (CNS)
  • Connects the central nervous system to the organ, limbs and skin
    Peripheral Nervous System
  • Consist of main Components of (CNS)
    Brain, Spinal cord
  • -Located in the skull
    -Functions as organizer
    -Distributor of information for the body
    Brain
  • -long bidle or nerves and cells
    -Extends from the lower portion of the brain to the lower back parts
    Spinal Cord
  • Main parts of the brain
    Cerebrum, Cerebellum, Brain stem
  • -Large upper part of the brain
    -Higher functions the interpreting touch, vision, and hearing 

    Cerebrum
  • -Under the cerebrum
    -Control posture, balance and coordination
    Cerebellum
  • -Convects the brain to the spinal cord
    -Controls automatic functions such as breathing, heart rate

    Brain stem
  • the voluntary control of the body movements
    Somatic and autonomic nervous system
  • PNS main divisions 

    Somatic and Autonomic nervous system
  • Two parts of Somatic nervous system
    Spinal nerves and cranial nerves
  • that carry motor and sensory signals between the spinal cord and the body
    Spinal Nerves
  • the nerve fibers that carry information into and out of the brain skin
    Cranial Nerves
  • Two subdivision of autonomic nervous system
    Sympathetic and Parasympathetic
  • activated when the body is in a dynamic role or stress
    Sympathetic
  • Maintains body functions, restores the body to normal or relaxed a mode
    Parasympathetic