Ms. Snow has moved from a sunny Miami to Antarctica to conduct research on polar

Question

Ms. Snow has moved from a sunny Miami to Antarctica to conduct research on polar bears. She will be living in Antarctica for 6 months. What is one of the short term and long term adaptation that will allow her body to generate heat? Explain. (Hint: think muscular and endocrine system) Ms. Snow has moved from a sunny Miami to Antarctica to conduct research on polar bears. She will be living in Antarctica for 6 months. What is one of the short term and long term adaptation that will allow her body to generate heat? Explain. (Hint: think muscular and endocrine system)

Explanation / Answer

Ans: The three process that will allow her body to produce heat are

Shivering: contraction of superficial muscle fibres, which does not limit heat loss but rather increases heat production.

Skin vasoconstriction: By decreasing blood flow to the skin, helps in preventing heat loss.

Hormones: Increased secretion of catecholamines and increased metabolism by thyroid hormones helps the body to generate heat.

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