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AP Biology

AP Biology. Nervous Systems Part 1. Step 1: Reception. Step 2: Transduction. Step 3: Response. –92 mV. +62 mV. Inner chamber. Outer chamber. Inner chamber. Outer chamber. 150 m M NaCl. 150 m M KCl. 15 m M NaCl. 5 m M KCl. Ions and Energy. Cl –. K +. Na +. Cl –. Sodium

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AP Biology

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  1. AP Biology Nervous Systems Part 1

  2. Step 1: Reception

  3. Step 2: Transduction

  4. Step 3: Response

  5. –92 mV +62 mV Inner chamber Outer chamber Inner chamber Outer chamber 150 mM NaCl 150 mM KCl 15 mM NaCl 5 mM KCl Ions and Energy Cl– K+ Na+ Cl– Sodium channel Potassium channel Artificial membrane

  6. Evolution of a Nervous system in Animals

  7. Overview of the Nervous System

  8. CNS vs. PNS

  9. Neuron structure

  10. Synapse and Neurotransmitter

  11. Glial Cells(Like a house frame … but for a brain

  12. Schwann Cells OR Oligiodendrocytes Nodes of Ranvier Layers of myelin Axon Schwann cell Schwann cell Nucleus of Schwann cell Nodes of Ranvier Axon Myelin sheath 0.1 µm

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