BioPsych Crossword Chapter 1-3

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Across
  1. 3. A cell that transmits electrical and chemical signals.
  2. 7. The requirement that a scientific claim must be able to be proven wrong.
  3. 8. A system that prepares the body for stress or emergencies.
  4. 9. A fatty covering that speeds up neural communication.
Down
  1. 1. A field of psychology that explains behavior by examining the brain and nervous system.
  2. 2. The outer brain layer responsible for higher-level thinking.
  3. 4. A testable prediction made before conducting research.
  4. 5. The brain and spinal cord, which process and coordinate information.
  5. 6. An all-or-none electrical signal sent down an axon.
  6. 8. The gap between neurons where communication occurs.