Answer :
Final answer:
Homeostasis is the body's ability to maintain equilibrium, such as regulating blood glucose levels. Processes like insulin release and kidney function illustrate how the body maintains stable glucose levels.
Explanation:
Homeostasis is the concept highlighted in the statement about the concentration of glucose needing to be maintained within a narrow range in vertebrates. Homeostasis refers to the body's ability to maintain equilibrium, such as in regulating blood glucose levels to ensure stable internal conditions.
An example of this is seen in the control of blood glucose levels where beta cells in the pancreas monitor glucose concentration and release insulin to regulate glucose uptake and storage. This process illustrates how the body adjusts to maintain stable glucose levels through feedback mechanisms.
Glucose regulation in the kidney, involving the filtration and reabsorption of glucose, also exemplifies the body's effort to maintain homeostasis by ensuring appropriate levels of essential substances are retained while excess is excreted.
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