Question detail
Which condition is not normally controlled by homeostasis inside the human body?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Homeostasis
Question
- A. Blood glucose concentration
- B. Body temperature
- C. Water level in the body
- D. Oxygen concentration in the atmosphere
Answer
Oxygen concentration in the atmosphere is outside the body, so it is not an internal condition controlled by homeostasis.
Explanation
The correct answer is oxygen concentration in the atmosphere because homeostasis regulates internal conditions of cells and the body. Blood glucose concentration, body temperature, and water level are internal conditions that control systems can adjust. This supports the learning objective by keeping the boundary between internal and external conditions clear.
Common mistake
Misunderstanding Homeostasis Definition
Students often define homeostasis too broadly, failing to specify that it is the regulation of internal conditions specifically for optimal function.
Focus on the key elements of the definition: homeostasis is the regulation of internal conditions of a cell or organism to maintain optimum conditions for function. Include examples of what these internal conditions might be.
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