UNIT THREE BIOLOGY

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Across
  1. 2. immunity - A large population of the population must be vaccinated to reduce spread of disease
  2. 4. neurons - From CNS to effectors
  3. 5. cortex - split into 2 hemispheres
  4. 7. tolerance - Someone no longer responds to a drug the way they initially responded
  5. 8. - Dummy treatment
  6. 9. - T lymphocytes destroy pathogens
  7. 11. nervous system - Made up of the brain and spinal cord
  8. 13. - Proteins released by phagocytes
  9. 14. - Analyse and interpret
  10. 16. skin - The biggest barrier against bacteria and viruses
  11. 18. - Rest and digest
  12. 19. - Image converted into something the brain can process
  13. 20. cells - the cell that produces histamine
  14. 21. neurons - From sense organs to CNS
Down
  1. 1. - Recovery of stored information
  2. 3. - Affect neurotransmission in the reward circuit of the brain
  3. 6. - Opposite effects on the same organ
  4. 7. - Neurotransmitter used by reward pathway
  5. 9. nervous system - Self-regulating and works automatically
  6. 10. synaptic neuron - neuron before the synapse
  7. 11. - Information learned in chunks
  8. 12. - Fight or Flight
  9. 14. - Chemical binds to receptors on post synaptic membrane blocking action of normal neurotransmitter
  10. 15. - Hypersensitivity disorder of the immune system
  11. 17. signal - reduce the chance of impulse being transmitted