The Human Body

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Across
  1. 3. A viral disease, symptoms include a rash of small itchy blisters
  2. 5. An organism that causes disease
  3. 8. A substance that kills bacteria or prevents the growth of bacteria
  4. 10. An organism that a parasite lives in
  5. 11. A single cell with a tough skin that fungi use to spread
  6. 12. Fast automatic actions that protect the body from danger. aka reflexes
  7. 13. The part of the brain that controls conscious thoughts and the movement of limbs as well as receiving signals from the muscles
  8. 15. Part of the brain where the spinal cord enters the skull
  9. 17. The lower half of the brain stem
  10. 19. The electrical message carried by a nerve cell
  11. 20. Chemical substances that work as messengers in the body
  12. 23. Microscopic, single celled organisms
  13. 24. The common name for the hormone epinephrine
  14. 25. system The system in your body that fights infections
  15. 26. An infectious disease caused by mosquitoes that carry the Plasmodium parasite
  16. 29. Anything that causes our bodies to stop working properly
Down
  1. 1. A nerve cell
  2. 2. A substance that speeds up the rate of a reaction without being used up in the process
  3. 4. The process of maintaining a constant internal environment
  4. 6. The nerve that carries messages back and forth to the brain and the retina behind the eye
  5. 7. A white blood cell that consumes pathogens and is found in the lymph nodes
  6. 9. A disease that can be spread
  7. 14. The part of the neurone that contains the nucleus
  8. 16. A chemical that kills fungi
  9. 18. All of the chemical reactions occurring in the cells
  10. 21. The space between two neurones
  11. 22. An organism that lives on or in the body of another organism
  12. 27. A nerve fibre that sends nerve impulses away from the cell body
  13. 28. A pathogen about one hundred times smaller than a bacteria