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5 Written questions

5 Multiple choice questions

  1. are nerve cells that run through our entire bodies and communicate with each other; each of us has 100 billion of these, most of which are in the brain
  2. is a column of nerves about as thick as a thumb that extends from the brain down the back. It's protected by the bones of the spine and transmits messages between the brain and the muscles and glans in the body
  3. 2 parts: central and peripheral
  4. many axons are covered with this white fatty substance that insulates and protects the axon; this casing also helps to speed up the transmission of the messages sent by neurons
  5. neurons send messages across synapses through the release of this; these are the chemicals that are stored in sacs in the axon terminals

4 True/False questions

  1. cell bodyare nerve cells that run through our entire bodies and communicate with each other; each of us has 100 billion of these, most of which are in the brain

          

  2. dendritesare nerve cells that run through our entire bodies and communicate with each other; each of us has 100 billion of these, most of which are in the brain

          

  3. peripheral nervous systemconsists of the brain and the spinal cord

          

  4. central nervous systemconsists of the brain and the spinal cord

          

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