1. Keeping healthy
1.1. Diet end exercise
1.1.1. Metabolic rate
1.1.2. Balanced diet
1.1.3. Cholesterol
1.2. Defending against disease
1.2.1. Ignaz Semmelweis
1.2.2. Pathogens
1.2.3. Phagocytes
1.2.4. Lymphocytes and antibodies
1.2.5. Vaccinations
1.2.6. Antibiotics / antibiotic resistance
1.2.7. Culturing bacteria
2. Nerves and hormones
2.1. Senses
2.2. Receptors
2.2.1. Reflexes
2.2.1.1. Reflex arc
2.2.1.1.1. Neurones and synapses
2.3. Homeostasis
2.3.1. Water, ions, temperature, blood sugar
2.4. Hormones
2.4.1. Menstrual cycle
2.4.1.1. Oestrogen, FSH, LH
2.4.1.1.1. Controlling fertility
2.5. Plants responses
2.5.1. Tropisms
2.5.1.1. Auxin
2.5.1.1.1. Commercial uses e.g. rooting powders
2.5.1.2. Phototropism
2.5.1.3. Geotropism
3. Drug use and abuse
3.1. Drugs in sport e.g. stimulants and steroids
3.2. Recreational drugs
3.2.1. Nicotine
3.2.2. Cannabis
3.2.3. Ecstasy
3.2.4. Alcohol
3.3. Statins
3.4. Thalidomide
3.5. Drug trials
4. Interdependence and adaptations
4.1. Environmental change
4.1.1. Indicators of pollution
4.1.1.1. Lichens
4.1.1.2. Invertebrates
4.2. Energy and biomass
4.2.1. Food chains
4.2.1.1. Biomass
4.2.2. Waste and decomposition
4.2.2.1. Carbon cycle
4.3. Adaptations
4.3.1. Animals
4.3.2. Plants
4.3.3. Extremophiles
5. Genetic variation and control
5.1. Variation
5.1.1. Environment
5.1.2. Genetic
5.1.2.1. Cells, nucleus, genes
5.2. Reproduction
5.2.1. Asexual
5.2.1.1. Cloning
5.2.2. Sexual
5.3. Genetic engineering
6. Evolution
6.1. Natural selection
6.1.1. Charles Darwin
6.2. Other theories
6.2.1. Lamarck