Across
- 3. Nerve cell.
- 4. Long, thin bundle of nerves that extends from the brain along the spine.
- 9. Resistance to a disease causing organism or harmful substances.
- 10. The solution of stopping the spread of disease.
- 12. The outer layer of skin.
- 14. Remember the same antigen production.
- 15. Microbes that can only grow and reproduce within other living things.
- 16. Micro-organisms that cause harm to us. Cns Central Nervous System
- 18. Single celled organisms.
- 21. Peripheral Nervous System
- 22. The space between the two connecting Neurons.
- 24. Liquid that contains many chemicals that break bacteria down.
- 25. Red cells in the body.
Down
- 1. Biological preparation that improves immunity.
- 2. Microbes that live off other living things.
- 3. Network of specialized cells called Neurons.
- 5. Transfers the data on the Neuron.
- 6. Fight against infections that make it past the first line of defence.
- 7. The 'nucleus' of the human.
- 8. Have antiseptic properties to flush foreign particles from the eye.
- 11. Detect the 'feeling' of the stimuli.
- 13. Small living things that cannot be seen by the naked eye.
- 17. Transmitted sexually. Destroys the immune system.
- 19. Holds the cell together.
- 20. An itchy rash also known as atopic dermatitis.
- 23. Something you detect from the outside environment.