Question detail
How does sweating contribute to lowering body temperature?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The human nervous system
Question
- A. By increasing blood flow to the muscles
- B. By evaporating from the skin surface
- C. By constricting blood vessels
- D. By increasing metabolic rate
Answer
The correct option is By evaporating from the skin surface. This answer is correct because it matches the approved learning objective to explain (HT only) how vasodilation and sweating help lower body temperature in the subtopic Control of body temperature (biology only).
Explanation
The correct option is By evaporating from the skin surface. By evaporating from the skin surface is correct because it directly supports the approved learning objective to explain (HT only) how vasodilation and sweating help lower body temperature. This belongs to the subtopic Control of body temperature (biology only) within The human nervous system, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Control of body temperature (biology only).
Common mistake
Misunderstanding Vasodilation
Students often confuse vasodilation with vasoconstriction, thinking both processes lower body temperature.
Remember that vasodilation involves the widening of blood vessels, which increases blood flow to the skin, allowing heat to escape and thus lowering body temperature.
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