Other questions in this quiz

2. how do the electrical impulses cross a synapse

  • jump
  • they don't
  • diffuse
  • make a chain
  • they don't need to cross synapses.

3. what part of a nerve cell insulates nd speeds up nerve impulses

  • myelin sheath
  • axon
  • dendrons
  • nucleus
  • synapse

4. how many animal kingdoms are there?

  • 6
  • 5
  • 4
  • 3

5. give the kingdom of a human

  • anamaila
  • chordata
  • primates
  • ****

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