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