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THE NERVOUS SYSTEM

THE NERVOUS SYSTEM . BY Kayla Lowery. Major functions !. SOME OF THE MAIN FUNCTIONS OF THE CENTRAL NERVOUS SYSTEM AND THE PERIPHERAL SYSTEM ARE: To control movement of t he body based on sensory information To send appropriate impulses to the muscles and glands

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THE NERVOUS SYSTEM

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  1. THE NERVOUS SYSTEM BY Kayla Lowery

  2. Major functions! SOME OF THE MAIN FUNCTIONS OF THE CENTRAL NERVOUS SYSTEM AND THE PERIPHERAL SYSTEM ARE: • To control movement of the body based on sensory information • To send appropriate impulses to the muscles and glands • The peripheral system connect the central nervous system to the limbs and organs.

  3. Major parts! • There are three parts of the nervous system: the central nervous system (CNS), the peripheral nervous system (PNS), and the autonomic nervous system (ANS). • CNS includes the brain and spinal cord. • PNS is made up of all body nerves that are outside of the CNS. • ANS controls involuntary actions of the bodily organs.

  4. DIAGRAM

  5. PATH OF THE NERVE IMPULSE • It begins with a stimulus. Noted by a sensory receptor, so it alerts a sensory neuron. The nerve impulse reaches the central nervous system (CNS) where it is directed to the motor neuron. From there it goes to the muscle and finally there is a response.

  6. HOW DOES IT WORK WITH OTHERS? • The nervous must interact with all the body systems in a human. It sends signals to the brain to help other systems function. • In the skeletal system bones provide calcium that is essential for proper function of the nervous system • The brain (part of the nervous system) monitors respiratory volume and blood gas levels • The autonomic nervous system controls the tone of the digestive tract.

  7. Four interesting facts! • There are more nerve cells in the human body than there are stars in the sky • A newborn baby’s brain grows almost three times during the course of the first year • An average adult male brain weighs about 1,375 pounds • The nervous system can transmit impulses as fast as 100mph

  8. THE END

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