Other questions in this quiz

2. what are the two most sensitive parts of the body?

  • back of neck and forearm
  • fingertip and lip
  • forehead and lip
  • fingertip and forehead

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

  • myelin sheath
  • synapse
  • nucleus
  • dendrons
  • axon

4. how do the electrical impulses cross a synapse

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

5. how many animal kingdoms are there?

  • 3
  • 5
  • 6
  • 4

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