NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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to control the activity level of the animal
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to guide the animal to warmer or colder locations
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to maintain a stable body temperature regardless of air temperature
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to regulate breathing rate and heart rate in extreme temperature conditions.
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Detailed explanation-1: -Thermoregulation allows mammals to live in various climates and keep their temperature at an optimal level, regardless of the surrounding temperature (up to a point). If the internal temperature of a mammal gets too high, they get hyperthermia. If the internal temperature gets too cold, they get hypothermia.
Detailed explanation-2: -Mammals are warm-blooded or homeotherms that maintain a constant body temperature, irrespective of the temperature of the surroundings. They do so by regulating metabolic processes.
Detailed explanation-3: -Mammals generate heat mainly by keeping their metabolic rate high. The cells of mammals have many more mitochondria than the cells of other animals. The extra mitochondria generate enough energy to keep the rate of metabolism high. Mammals can also generate little bursts of heat by shivering.
Detailed explanation-4: -There are a few different cold weather strategies. Mammals like Polar bears and walruses have thick skin and a layer of blubber for protection. They also use goose bumps to decrease the heat loss. When the skin creates goose bumps, it slows down the air flow over the skin and minimizes heat loss.