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14.4 Homeostasis

Syllabus
0610–2026–2027
Topic
14.4
Level
—

14.4.1—Homeostasis as the maintenance

  • Describe homeostasis as the maintenance of a constant internal environment

14.4.2—Insulin decreases blood glucose

  • State that insulin decreases blood glucose concentration

14.4.3—Concept of homeostatic control

  • Explain the concept of homeostatic control by negative feedback with reference to a set point

14.4.4—Control of blood glucose concentration

  • Describe the control of blood glucose concentration by the liver and the roles of insulin and glucagon

14.4.5—Treatment of Type 1 diabetes

  • Outline the treatment of Type 1 diabetes

14.4.6—Of the skin: hairs, hair erector

  • Identify in diagrams and images of the skin: hairs, hair erector muscles, sweat glands, receptors, sensory neurones, blood vessels and fatty tissue

14.4.7—Maintenance of a constant internal

  • Describe the maintenance of a constant internal body temperature in mammals in terms of: insulation, sweating, shivering and the role of the brain

14.4.8—Maintenance of a constant internal

  • Describe the maintenance of a constant internal body temperature in mammals in terms of vasodilation and vasoconstriction of arterioles supplying skin surface capillaries

Objective notes

8 learning objectives
ConceptIGCSE Biology