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The Nervous System

The Nervous System

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The Nervous System

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  1. The Nervous System

  2. Fig 9-1

  3. Types of Neurons fig 9.5

  4. Sensory Neuron Interneuron or association neuron And Motor Neuron

  5. A Typical Motor Neuron fig 9.3

  6. Myelin Sheath fig 9.4

  7. Schwann Cell Wrapping an Axon

  8. Types of Glial cells in the CNS fig 9.2

  9. The difference between an NERVE and a NEURON fig 9.15

  10. “Gated” channels in neuron membranes fig 9.7

  11. Anim The Na/K pump transports sodium out of the neuron and brings K in. Fig 9.8

  12. Sodium Channels open and Sodium rushes in fig 9.9 Anim

  13. Anim The Action Potential moves along the Axon fig 9.10

  14. Fig 9.11 The axon terminals of one neuron touch the dendrites or cell body of the next neuron

  15. Fig 9.13 Anim The Synapse fig9.12

  16. Fig 9.14 convergence divergence

  17. Synapses on a Motor Neuron

  18. Sensory Receptors

  19. Sensory receptors fig 10.3

  20. The Knee-Jerk Reflex fig 9.16

  21. Pain-Withdrawal Reflex

  22. The Spinal Cord fig 9.19

  23. The Spinal Cord

  24. A Reflex Arc The Functional Unit of the Nervous System

  25. The Central Nervous System fig9.20

  26. The Brain within the Skull fig 9.24

  27. Fig 9.24

  28. Regions of the Brain

  29. The Brainstem fig 9.29

  30. The Limbic System

  31. Parietal Frontal occipital Temporal Lobes of the Brain

  32. The Two Halves of the Brain Communicate

  33. The Motor and Sensory Cortex’s

  34. Parietal Frontal occipital Temporal Lobes of the Brain

  35. Representation of Body Parts on Sensory Cortex

  36. Motor impulses cross over in the medulla fig. 9.23

  37. Sensory Neuron impulses cross over in the spinal cord fig 9.22

  38. Functional Regions of the Brain Functio

  39. Views of the hippocampus

  40. What the Spinal Nerves Innervate fig 9-34

  41. The Cranial Nerves fig 9.31

  42. What the Cranial Nerves Innervate