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Across 1. is important in bone and teeth formation 5. you need to do this in order to say healthy and fit 6. and agent that uses the host for food or shelter 8. anything that causes diseas 9. helps carry nerve impulses 11. the organism being affected by the agent 14. the invading agent can multiply easily in the host and be passed onto other host organism 18. there are many triggers for it incluiding stress,drug use and family conflict 19. consist of variety of foods including fresh fruit and vegetables 20. invasion of the body by foreign orgnism 23. a disease that suddently gets out of control 25. another eating disorder marked by a binge purge cycle 26. is not the total absence of disease but it means that a person has an overall sense of wellbeing and is able to function well within their enviroment 27. minerals like iron and calcium

Down 2. helps maintain the glucose concentration of the blood 3. an organism that carries a pathogen and transmits it to the host 4. is the rate at which a person uses their energy 7. a disease that regularly affects a small number of people in the population 10. an eating disorder characterised by stavation 12. an organism so small it can only be seen with a micro scope 13. is important for the health of your digestive system 15. involved in blood cotting 16. is important for healthy sight 17. measures how much damage a disease does to the host 21. leads to anaemia and intestinal damage 22. living thing plant or animal 24. you need this for muscle growth