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5 Written questions

5 Multiple choice questions

  1. produces energy that fuels the neuron's activity
  2. neurons send messages across synapses through the release of this; these are the chemicals that are stored in sacs in the axon terminals
  3. is a junction between the axon terminals of one neuron and the dendrites of another; messages only travel in one direction
  4. at the end of the axon, these small fibers branch out
  5. 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

4 True/False questions

  1. nervous system2 parts: central and peripheral


  2. neuronsare 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. autonomic nervous systemregulates the body's vital functions, such as heartbeat, breathing, digestion, and blood pressure; we generally do not think of these activities


  4. central nervous systemis made up of nerve cells that send messages between the CNS and other parts of the body


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