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Keeping Healthy Questions: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. Name the main components of blood explain the difference differences between illhealth due to: inheritance; environmental conditions; infection; ageing what main organs in the body are affected by smoking? fluid balance in the body is partly maintained by the … what fluid in the body provides the main transport system? describe the location and main function of the kidneys name the cells that fight infection what is the main function of the heart? the immune system 'recognises' foreign bodies (antigens) and creates ________ to destroy them how does immunisation do? what are germicides, disinfectants and antiseptics when you have recovered from a disease - why are you less likely to get that disease again? what does blood do to help to protect us against infection from cuts? how is malaria spread? name some organs that can be replaced surgically how does tobacco smoke affect the lungs? what are the difference between arteries, veins and capillaries? put the into size order - starting with the smallest first: fungi, bacteria, viruses, protozoa when a new infection is encountered are antibodies formed immediately? describe the conditions under which bacteria grow and breed rapidly what is 'rejection' of transplanted organs? 22. [] describe the main stages of formation of a scab on a wound 23. [] what is dialysis? 24. [] how do drugs work with enzymes? 25. [] use the words "selective reabsorption" - to explain in more detail how the kidneys work Answers: plasma, red and white cells, platelets passed through genes; due to your lifestyle; cuased by microbes; getting old heart and lungs kidneys blood under lungs - at the back, make urine white blood cells pumps blood around the circulatory system antibodies establishes suitable antibodies in advance of infection - "trains" the immune system before exposure to infection all kill germs, disinfectants: on surfaces, antiseptics: on skin the immune system "learns" which antibodies are best able to fight the infection it clots bite from a mosquito heart, lungs, kidney … it can block the action of cilia arteries: take blood from the heart, veins: take blood to the heart, capillaries: tiny blood vessels that join arteries to veins viruses; bacteria; protozoa; fungi no - it takes some time warm (not too hot), moist, food available when the immune system recognises the transplant as being "foreign" using 'artificial kidneys' drugs block the sites normally used by enzymes selective reabsorption of sugar, salt and water occurs - only eliminated by the kidneys if supplies are plentiful