Homeostasis

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  • Created by: Mark18
  • Created on: 10-05-14 20:06
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  • Homeostasis
    • Blood Glucose
      • Adrenaline
        • Glycogen to Glucose
        • Inhibits Glucose to Glycogen
      • Islets of Langerhans
        • A cells release Glucagon
          • Amino acids and glycerol to Glucose
          • Glycogen to Glucose with enzymes
        • ? cells release insulin
          • Glucose to glycogen in liver
          • Increase respiratory rate
          • Glucose to Fat
          • Increase rate of absorption of glucose
    • Heart Rate
      • Pressure Receptors
        • Impulses along parasympathetic to med obl
          • Lower pulse
        • Impulses along sympathetic to med. obl
          • Increase Pulse
      • Chemoreceptors in carotid arteries
        • Lower pH => impulses to med. obl
          • impulses to SAN => increase pulse
    • Body Temperature
      • Hypothalamus: Heat gain centre
        • Hair raising
        • Shivering
        • Higher metabolic rate
        • Decrease sweating
        • Vasoconstriction
      • Hypothalamus: Heat loss centre
        • Increase sweating
        • Vasodilation
        • Hair lowering
  • Body Temperature
    • Hypothalamus: Heat gain centre
      • Hair raising
      • Shivering
      • Higher metabolic rate
      • Decrease sweating
      • Vasoconstriction
    • Hypothalamus: Heat loss centre
      • Increase sweating
      • Vasodilation
      • Hair lowering
  • Chemoreceptors in carotid arteries
    • Lower pH => impulses to med. obl
      • impulses to SAN => increase pulse

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