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