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Keeping healthy - The body's different defences against infection, white blood cells, immune system, helpful medications, harmful pathogens, ways we can help with drugs and vaccines Doc Brown's GCSE level biology revision notes: This section helps you understand explaining the body's ways of fighting infectious diseases, immune system, detecting and treating diseases e.g. vaccination-immunisation, new drugs, antibiotics, monoclonal antibodies, disease tests, How does our body defend itself when it becomes infected? What are the physical and chemical methods of protection? What is a pathogen? What is our immune system? What is a vaccine? How does vaccination-immunisation protect us? How are new drugs to treat and protect us developed? Sub-index for this section on our body's defence mechanisms (1) A historic note on cleanliness! What types of dangers exist? Types of pathogens (2) Our body's physical defences against pathogens-infectious diseases (3) Our body's chemical defences against pathogens infectious diseases (excluding immune system, see Part 4) (4) A Introduction to the body's immune system (5) White blood cells and the action of phagocytes in our immune system (6) The lymphatic system, lymphocytes - formation of antibodies in our immune system (7) The action of memory lymphocytes and production of anti-toxins in our immune system (8) Vaccination-immunisation - including MMR - 'pros' and 'cons' of vaccination (9) Drugs - introduction to medicines to treat disease and developing new drugs (10) Using antibiotics to kill or inhibit the growth of bacterial pathogens (11) Using antiseptics, antifungal agents and antivirals to combat pathogens (12) Monoclonal antibodies - production and uses (13) Tests and methods for detecting diseases
WHERE NEXT? Find your GCSE science course for more help links to revision notes Use your mobile phone or ipad etc. in 'landscape' mode This is a BIG website, you need to take time to explore it [Website Search Box] General HUMAN BIOLOGY revision notes Introduction to the organisation of cells => tissues => organs => organ systems (e.g. in humans) Examples of surfaces for the exchange of substances in animal organisms Homeostasis - introduction to how it functions (negative feedback systems explained) Homeostasis - control of blood sugar level - insulin and diabetes Homeostasis - thermoregulation, control of temperature The brain - what the different parts do and the dangers if damaged An introduction to the nervous system including the reflex arc Hormone systems - Introduction to the endocrine system - adrenaline & thyroxine hormones Hormone systems - menstrual cycle, contraception, fertility treatments Respiration - aerobic and anaerobic in plants and animals. Keeping healthy - communicable diseases - pathogen infections Keeping healthy - non-communicable diseases - risk factors for e.g. cancers Keeping healthy - diet and exercise
Food tests for reducing sugars, starch, proteins and lipids The eye - structure and function - correction of vision defects Optics - lens types (convex, concave, uses), experiments, ray diagrams, correction of eye defects (gcse physics) HOME PAGE of Doc Brown's Science Basic Science Quizzes for UK KS3 science students aged ~12-14, ~US grades 6-8 Biology * Chemistry * Physics for UK GCSE level students aged ~14-16, ~US grades 9-10 Advanced Level Chemistry for pre-university age ~16-18 ~US grades 11-12, K12 Honors
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