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5 Written questions

5 Multiple choice questions

  1. thin fibers branching out from the cell body; they receive info from other neurons and pass the message through the cell body; carries info to the cell body
  2. produces energy that fuels the neuron's activity
  3. 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
  4. is made up of nerve cells that send messages between the CNS and other parts of the body
  5. transmits messages away from the cell body; a neuron usually has only one axon; they vary greatly in length.

4 True/False questions

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


  2. synapseis a junction between the axon terminals of one neuron and the dendrites of another; messages only travel in one direction


  3. nervous system2 parts: central and peripheral


  4. neurotransmittersneurons send messages across synapses through the release of this; these are the chemicals that are stored in sacs in the axon terminals