Body Systems

4. any factor that stimulates a receptor bring about a response
5. the organelle where proteins are manufactured
9. organelles where cellular respiration occurs
12. the endocrine gland that controls activities of other endocrine glands
13. a substance that can kill or prevent bacteria
14. the nerve that carries messages to the brain from the retina at the back of the eye
16. one white blood cell type that consumes pathogens
18. a special cell that detects stimuli
21. chemical store of glucose
22. the space between two neurones
24. the molecule that is going to be changed by a chemical
26. all chemical reaction occurring in cells

1. viral disease
2. the movement of particles of a substance from an area of high concentration to an area of low concentration
3. single tough skin cell that uses fungi to spread
6. the antibodies to a pathogen before making you sick
7. a parasite lives in this organism
8. substance that speeds up the rate of reaction without having to be used in the process
10. system controlling involuntary actions such as the heartbeat
11. the cell on which a hormone acts
13. nerve fibre that sends nerve impulse away from the cell body
15. arc nerve pathway operating in a reflex action
17. fungal infection in skin hair or nails
19. and organic catalyst
20. very easy to spread
23. common fungal infection to the mouth or vagina or known as nappy rash in babies
25. causes your body to react as if a pathogen was encounted