問 1
1 点When the core body temperature decreases below the optimum level, the thermoregulatory centre initiates several physiological responses. Which of the following describes a correct functional response to a decrease in core temperature?
Oxford AQA IGCSE · CORE Biology (9221)
Temperature control：練習問題
その場で採点される選択問題 5 問と、解説つきの記述問題 4 問。すべて「Temperature control」からの出題です。
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問 2
1 点In temperature control, the human body uses several mechanisms to reduce core temperature if it becomes too high. Which of the following describes a correct functional response to overheating?
問 3
1 点The thermoregulatory centre in the brain monitors and controls body temperature. Where does it receive its primary information from?
問 4
1 点When core body temperature increases, which set of physiological changes occurs to facilitate cooling through the skin?
問 5
1 点When the core body temperature is too low, the thermoregulatory centre coordinates responses to generate or conserve heat. How does shivering contribute to this process?
問 6
3 点When the core body temperature rises too high, the brain's thermoregulatory centre coordinates a response through the skin. Explain how vasodilation specifically assists in reducing core body temperature.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 7
5 点Explain how the process of vasodilation helps to lower the core body temperature when a human is in a hot environment.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 8
5 点The human body maintains a constant internal temperature of approximately \(37^{\circ}C\).
a) Name the part of the brain that monitors and controls body temperature.
b) If the core body temperature rises too high, the body uses vasodilation to help cool down. Explain how vasodilation results in a transfer of energy to the environment.
c) Explain why 'shivering' is an effective response when the core body temperature is too low.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 9
5 点Temperature control is essential for maintaining a constant internal environment.
a) Explain how vasodilation and the production of sweat help the body to reduce its core temperature when it is too high.
b) Describe how the human body generates and conserves heat when the core temperature falls too low.
c) Identify the location of the coordination centre in the brain that monitors blood temperature.
まず自分で答えを書いてから、解説と照らし合わせましょう。
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