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Mammals use several mechanisms to regulate their body temperature - Scottish Highers Biology - Question 13 - 2023

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Question 13

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Mammals use several mechanisms to regulate their body temperature. Which statement describes responses to a decrease in body temperature of a mammal? A Vasodilation ... show full transcript

Worked Solution & Example Answer:Mammals use several mechanisms to regulate their body temperature - Scottish Highers Biology - Question 13 - 2023

Step 1

Which statement describes responses to a decrease in body temperature of a mammal?

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Answer

When a mammal experiences a decrease in body temperature, it typically responds by initiating vasoconstriction. This process narrows the blood vessels, reducing blood flow to the skin and extremities, which helps conserve body heat. Additionally, the metabolic rate tends to increase as the body aims to generate more internal heat to counteract the temperature drop. Therefore, the correct response is option C: Vasoconstriction and an increase in metabolic rate.

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