B2: keeping healthy

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  • B2: Keeping Healthy
    • homeostasis
      • effectors
      • processing
      • receptors
      • water balance
        • in
          • food
          • drink
          • respiration
        • out
          • sweating
          • breathing
          • faeces
          • urine
            • ADH^
              • H20 conserved
                • negative feedback
                  • H20 lost
            • ADH(down)
              • H20 lost
          • kidneys
    • heart disease
      • heart
        • pulse
        • blood pressure
        • arteries
        • veins
        • capillaries
      • factors
        • genetics
        • lifestyle
          • diet
          • stress
          • smoking
          • drugs
            • nicotine
            • cannabis
            • alcohol
            • ecstacy
      • cause and effect
      • correlation
        • sample size
        • plausible mechanism
      • making decisions
        • ethical issues
        • identifying issues
    • microbial disease
      • antimicrobials
        • drug trials
          • safety
          • effectiveness
            • placebo
            • animals
            • human cells
            • volunteers
          • pre-clinical trials
        • mutations
          • resistance
      • phagocytosis
      • vaccination
        • memory cells
        • preventing epidemics
    • body's lines of defence
      • first: physical
        • cilia cells, oesophagus and nose
        • mucus, nose and throat
      • second: chemical
        • hydrochloric acid, stomach
        • lysozyme, tears
      • third: microbial
        • adapted bacteria in stomach gang up on foreign microbes and kill them

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