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    Cards (5)

    • Homeostasis
      The ability of the body to maintain relatively stable internal conditions even when the environment is changing and the activity of the individual is changing
    • Homeostasis is a dynamic equilibrium
    • Prion
      Protein-based infectious agent
    • Homeostasis involves many systems working together
    • Stress response

      1. Stimulus e.g. Intense excitement, anticipation, fear, intense exercise, injury or pain
      2. Increase in adrenaline, pulse increases, blood pressure increases, blood vessels in skin, kidney & GI contract, liver releases glucose into bloodstream
      3. Hypothalamus releases antidiuretic hormone, renin from kidneys, angiotensin activation, aldosterone from adrenal cortex, β-endorphin released
      4. Cortisol released, growth hormone released
      5. Processes reversed when the stimulus is removed
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