Across
- 2. message to contract or expand.
- 4. Resistance to a disease causing organism or harmful substance
- 10. Short branch like extensions on a neuron which are used to receive impulses from other cells that are
- 11. what Ms Asik Teaches us
- 12. found on tongue
- 17. An Immune defence that prevents pathogens from causing harm
- 18. Formed by neutrophils that has been killed by bacteria around an infected wound.
- 19. single-celled organisms, which do not completely have a nucleus
- 22. Foreign particles which cause harm to our body.
- 24. A substance that traps foreign bacteria that an individual intakes when he/she breathes.
- 25. contains many chemicals that break down bacteria
- 26. A classification of neurone(s) which function is to coordinate with the muscles, in order to send the
- 27. a part of the body which contains taste buds
- 28. bundles of neurones.
- 30. control centre of body
Down
- 1. use relay neurones to link the detector and the effector
- 3. most complex structures of all the microbes. They feed off other living things.
- 5. very small living things
- 6. to the cell body.
- 7. occupies 80% of brain and contains over 10 billion neurones
- 8. Transmitted by sexual contact, blood transfusions, contaminated needles
- 9. part of brain which controls motor function
- 11. known as the epidermis, forms a shield against invaders and secretes chemicals that kill potential invaders.
- 13. use relay neurones to link the detector and the effector
- 14. responsible for eating foreign particles by engulfing them
- 15. lower half of the brainstem
- 16. carries out the response.
- 20. Discovered in 1983
- 21. Antigens are deliberately introduced into the immune system to produce immunity
- 23. carries an electrical impulse along its axon.
- 29. organism which does not display ALL the characteristics of living things.