Question detail
Describe the role of shivering in the body's response to low temperatures.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
The human nervous system
Question
Describe the role of shivering in the body's response to low temperatures.
Answer
Shivering is an involuntary muscle contraction that generates heat through increased metabolic activity. When the body temperature drops, the muscles contract rapidly, producing warmth as a byproduct of energy expenditure. This process helps to raise the overall body temperature back to normal levels.
Explanation
This answer effectively explains the mechanism of shivering and its purpose in thermoregulation. The question assesses the student's ability to describe physiological responses to cold conditions.
Common mistake
Misunderstanding Vasoconstriction
Students often confuse vasoconstriction with vasodilation, thinking both processes raise body temperature.
Remember that vasoconstriction narrows blood vessels to reduce blood flow to the skin, conserving heat, while vasodilation increases blood flow to release heat.
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