Neurotransmission Speeds

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Across
  1. 4. What is the gap between two neurons called?
  2. 5. What word describes organs such as muscle that allow a response to occur?
  3. 8. Which neuron picks up a signal from a receptor?
  4. 9. What do sense organs have that detect changes?
  5. 10. What word describes electrical signals being passed on from one neuron to another?
  6. 12. The CNS is made up of the spinal cord and which other organ?
Down
  1. 1. Which neuron passes signals from sensory neurons to motor neurons?
  2. 2. What is the scientific name for electrical messages?
  3. 3. What is the chemical that is released in the gap between two neurons called?
  4. 6. Which neuron passes signals from the brain/spinal cord to effectors?
  5. 7. What is a bundle of neurons called?
  6. 11. What word describes changes in the internal or external environment that are detected?