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5 Written questions

5 Multiple choice questions

  1. regulates the body's vital functions, such as heartbeat, breathing, digestion, and blood pressure; we generally do not think of these activities
  2. is made up of nerve cells that send messages between the CNS and other parts of the body
  3. is a junction between the axon terminals of one neuron and the dendrites of another; messages only travel in one direction
  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. at the end of the axon, these small fibers branch out

4 True/False questions

  1. nervous systemtransmits sensory messages to the central nervous system. Its function is to carry messages from voluntary muscles and sense organs


  2. dendritesthin 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


  3. axontransmits messages away from the cell body; a neuron usually has only one axon; they vary greatly in length.


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


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