2 March, 22:18
Respiratory rate in dogs increases dramatically in hot weather. In humans, this phenomenon is not observed. Can you explain why?
2 March, 22:58
In biology this phenomenon is called "thermoregulation". This is the ability of animal organisms to maintain body temperature within certain limits, even if the temperature of the environment is different. This phenomenon is not observed in humans because three quarters of the heat produced by the human body is lost through the skin. Retaining all the heat for even one day would cause death for a human. Dogs have few sweat glands and cooling of the dogs’ bodies is achieved by means of increased breathing. When saliva evaporates from the dog’s tongue, the temperature of the blood carrying throughout the body decreases.
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» Respiratory rate in dogs increases dramatically in hot weather. In humans, this phenomenon is not observed. Can you explain why?