Bio Unit Review

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Across
  1. 1. Brief time when a neuron can’t fire again.
  2. 3. Process touch and body position (pressure + pain).
  3. 6. Outer layer of the brain that controls thinking and planning.
  4. 8. Automatic response to a stimulus.
  5. 10. Covers the axon and speeds up messages.
  6. 11. Controls basic life functions like breathing and heartbeat.
  7. 14. Helps regulate pain signals and filters unnecessary stimuli
  8. 15. Uses magnetic fields to show brain anatomy.
  9. 18. Controls automatic body functions.
  10. 22. Controls language understanding.
  11. 26. Receives information from the senses.
  12. 27. Brain and spinal cord.
  13. 30. Uses X-rays to show brain structure.
  14. 31. Carry messages away from the cell body.
  15. 33. Reabsorption of neurotransmitters after sending a message.
  16. 35. Contains the neuron’s nucleus and keeps it alive.
  17. 36. Chemicals that send messages between neurons.
  18. 38. Helps form new memories.
  19. 39. Process hearing and language.
  20. 40. Body’s communication network of cells.
  21. 41. Coordinates movement and balance.
  22. 42. Records brain’s electrical activity through electrodes on the scalp.
  23. 43. Process visual information.
  24. 44. Gap between neurons where messages pass.
  25. 45. Shows brain activity by tracking glucose use.
  26. 46. Regulates hunger, thirst, and body temperature.
Down
  1. 2. Brain’s ability to change and adapt after damage.
  2. 4. Connect sensory and motor neurons.
  3. 5. Nerves that connect the CNS to the rest of the body.
  4. 7. Calms the body after stress.
  5. 9. Activates the “fight or flight” response.
  6. 10. Controls voluntary movement.
  7. 12. Condition where the two hemispheres are no longer connected.
  8. 13. Support, protect, and nourish neurons.
  9. 16. Involved in decision-making and movement.
  10. 17. Carry messages from the brain to the body.
  11. 19. Relays sensory messages to the brain’s cortex.
  12. 20. Contains Hypothalamus, Hippocampus, and Amygdala - Linked to emotions and drives.
  13. 21. Controls speech production.
  14. 23. Receive messages from other neurons.
  15. 24. Processes fear and aggression.
  16. 25. Basic cell of the nervous system.
  17. 28. Carry messages from the body to the brain.
  18. 29. Middle of the brainstem - Controls heartbeat and breathing.
  19. 32. Connects the brain’s two hemispheres.
  20. 34. Electrical charge that travels down an axon.
  21. 37. Level needed to trigger a neural impulse.