HSC Biology: Search for Better Health

Maintanence of health
1. genes
2. difficulties defining health and disease
3. mitosis
4. differentiation
5. specialisation
Control of Disease
1. infectious/noninfectious disease
2. cleanliness of food
3. personal hygiene practices
4. pathogens classification
5. cleanliness of water
Pasteur and Koch and other scientists
1. contribution of Pasteur and Koch
2. types of pathogens
  1. viruses
  2. fungi
  3. bacteria
  4. prions
  5. macro-parasites
  6. protozoans
3. role of antibiotics
The Immune Response
1. defence barriers
  1. skin
  2. mucus membrane
  3. cilia
  4. chemical barriers
  5. other body secreations
2. antigens
3. organ transplants triggering immune response
4. defence adaptions
  1. inflammation response
  2. phagocytosis
  3. lymph system
  4. cell death to seal off pathogen
MacFarlane Burnet’s work
1. components of the immune response
  1. T cells
  2. B cells
  3. antibodies
2. immune response
  1. interaction between B and T lymphocytes
  2. the mechanisms that allow interaction between B and T lymphocytes
  3. the range of T lymphocyte types and the difference in their roles
3. vaccinations prevent infection
4. response suppression in organ transplant patients
Epidemiology
1. main features eg. lung cancer
2. causes of
  1. nutritional deficiencies
  2. inherited diseases
  3. environmental diseases
Prevention and control of disease
1. quarantine
2. strategies
  1. public health programs
  2. genetic engineering to produce disease-resistant plants and animals
  3. pesticides

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HSC Biology: Search for Better Health

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