Across
- 2. a bacterial infections caused by clostridium tetani.
- 5. all the chemical reactions occurring in the cells.
- 7. a pathogen about one hundred times smaller then a bacterium.
- 8. a substance that kills bacteria or prevents the growth of bacteria.
- 11. special cell that detect Stimuli.
- 12. the organism a parasite lives in.
- 14. an organic catalyst.
- 18. isolation to prevent the spread of disease.
- 20. able to make the antibodies to a pathogen before it can make you unwell.
- 21. an infection caused by mosquitos.
- 22. body Part of the neurone that contains the nucleus.
- 23. very easy to spread.
- 25. anything that caused our body to stop working properly.
- 26. single cell with a tough skin that fungi used to spread.
- 27. impulse the electrical message carried by nerve cell.
Down
- 1. chemical substances that act as message in the body.
- 3. the space between two neurones.
- 4. a nerve cell.
- 6. nerve cells that carry messages from the CNS.
- 9. a microscopic, single celled organisms.
- 10. arc the nerve pathway operating in a reflex action.
- 13. nerve the nerve that carries message to the brain.
- 15. a viral disease.
- 16. the lower half of the brain stem.
- 17. any factor that stimulates a receptor and brings about a response.
- 19. stem part of brain where the spinal cord enters the skull.
- 24. cells the cell on which a hormone acts.