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Homeostasis
Explain homeostasis as the process of keeping a stable internal environment.
8
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80
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56
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90 min
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CambridgeIGCSEBiologyCoordination and response
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Homeostasis outcomes8 objectives
- Explain homeostasis as the process of keeping a stable internal environment.
- Indicate that insulin lowers the concentration of glucose in the blood.
- Clarify how homeostatic regulation operates through negative feedback, including the idea of a set point.
- Explain how the liver regulates blood glucose levels and the functions of insulin and glucagon in this process.
- Summarize the methods used to manage Type 1 diabetes.
- Recognize and label parts of the skin in diagrams, including hairs, hair erector muscles, sweat glands, receptors, sensory neurons, blood vessels, and fatty tissue.
- Describe how mammals maintain a stable internal body temperature through mechanisms such as insulation, sweating, shivering, and brain function.
- Explain how mammals regulate their internal body temperature by vasodilation and vasoconstriction of the arterioles that supply blood to skin capillaries.
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