What does the difference in temperature between arteries and veins indicate abou

Question

What does the difference in temperature between arteries and veins indicate about a Canadian Goose standing on snow? A) The legs need to be kept cool so the muscles will function well. B) The feet need to be kept near the same temperature as the abdomen so they do not freeze in water. C) Temperature is always colder in the abdomen. D) Minimizing the temperature difference between the foot and abdomen means the goose conserves much of its body heat. E) The gooses foot functions fine no matter the temperature. Matching, Mark the letter of the best matching answer. Note that numbered questions may only be matched to lettered answers directly above. Dashed lines are meant to isolate questions with suitable answers. A) oviduct B) clitoris C) cervix The junction of the uterus and upper vagina

Explanation / Answer

18) D) Minimizing the temperature difference between the foot and abdomen means the goose conserves much of its body heat.

If the temperature difference between the legs and abdomen is less, means that the abdomen will become colder and for surviving, the more energy will be required to keep the abdomen warm. This can be easily solved by keeping all the temperature difference in the legs only and almost no temperature difference between the legs and abdomen. It will require less energy when all the temperature difference in the legs. In this way, minimizing the temperature difference between the foot and abdomen will conserve much of the body heat. This is the reason for the temperature difference in the arteries and veins in the legs of Canadian Goose standing on snow.

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