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bio unit 5 question
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Sapphire123
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#1
How does sensing a low external temperature cause a reduction in heat loss?
Saw this in my revision guide for bio, but it has no answers
Saw this in my revision guide for bio, but it has no answers
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Sapphire123
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Sapphire123
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Shivvers
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Increase in metabolic processes (respiration etc) increasing heat production.
Contraction of skeletal muscles (shivering) so that there is more respiration and hence heat produced.
Vasoconstriction, and hair erector muscles contract, so hairs stand up to trap insulating layers of warm air.
Hopefully that answers your question.
Contraction of skeletal muscles (shivering) so that there is more respiration and hence heat produced.
Vasoconstriction, and hair erector muscles contract, so hairs stand up to trap insulating layers of warm air.
Hopefully that answers your question.
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