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Nervous System

Nervous System. By the end of the lesson you should be able to Describe the transmission of impulses from senses to central nervous system and back to muscles. Describe the reflex action and the pathway of the reflex arc. Describe the function of reflex response.

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Nervous System

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  1. Nervous System By the end of the lesson you should be able to • Describe the transmission of impulses from senses to central nervous system and back to muscles. • Describe the reflex action and the pathway of the reflex arc. • Describe the function of reflex response. • Describe the role of the central nervous system.

  2. nervous system

  3. Basic nerve cell structure

  4. 3 main types of nerve cells sensory neurone relay neurone motor neurone

  5. Sensory neurons Carries impulses from receptors e.g pain receptors in skin to the CNS( brain or spinal cord)

  6. Relay neuron Carries impulses from sensory nerves to motor nerves.

  7. Motor neuron Carries impulses from CNS to effector e.g. muscle to bring about movement or gland to bring about secretion of hormone e.g ADH

  8. Transmission of signals

  9. The Synapse parkinson parkinsons

  10. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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