Grade 9 - Human Coordination System

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Grade 9 - Human Coordination System
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Grade 9 - Human Coordination System

  1. 1. awan
  2. 2. Messages or stimuli that are carried by neurons
  3. 3. Reflex action Voluntary action Brain Sensory neurons Motor neuronsreseptor efectorstimulus respone Spinal cord Sensory neurons Motor neuronsreseptor efectorstimulus respone Impuls
  4. 4. Cerebrum1 Cerebellum2 The Brain Stem (Medulla Oblongata)3 The Spinal Cord (Medulla Spinalis) 4 1. Centrally control voluntary actions 2. Centrally control sense organs 3. The control of memory 4. The control of intelligence 5. The control of emotion The control of body balance 1. The control of the heartbeat and respiration 2. The control of saltpeter, sneezing, cough &yawn Centrally control reflex actions
  5. 5. Somatic nervous system1 Autonomic nervous system 2 - 12 pairs of cranial nerves - 31 pairs of spinal nerve - Sympathetic nerve - Parasympathetic nerve
  6. 6. It is caused by the dilatation of blood vessels at the cerebral membrane (meninges), but it part of a symptom of another ailment
  7. 7. Due to the disturbance of the electrical impulse conductor of the nerve cells,such as a brain tumor, trauma in the head, use of drugs or a congenital brain defect
  8. 8. Experiences confusion and memory loss
  9. 9. The cause of this disease is the imbalance of chemical substance in the nervous system. The symptoms is: trembling of the arm, retardation of movements, and stiff muscles
  10. 10. Caused by the polio virus infection in the spinal cord
  11. 11. Caused by a virus infection or bacteria in the meninges (cerebral membrane and spinal cord)

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