Solar Schools

Mammals are a class of vertebrate animals that give birth to live young and feed them with milk. Mammals are the most developed and versatile vertebrates, warm-blooded animals are living in all walks of life. There are over 5800 species of mammals.
Their body is covered with hair, fur, spikes and plates, give birth to live young and feed them with milk produced by mothers, are warm-blooded animals, momentum average body temperature 36-38 degrees Celsius, have mammary glands under the skin, specialized dentition consists of teeth (canines, molars, and others. a.) and middle ear has three stays: hammer, anvil and stirrup.
Most mammals have body hair. Mammalian coat has several vital functions. Preserves body heat and protects the mammal from outside elements. Mammals, with a temperature of 36-39 ° Celsius, a temperature that is higher than that of the external environment, give warmth, especially in winter, when the external ambient temperature is much lower than the body. When the outside temperature but becomes almost as large as that of the body, the opposite phenomenon occurs some mammals, shedding, when hair falls, the temperature to accelerate disposal, provides protection against external factors mammal, such as radiation solar, hard surfaces, plants or animals that may affect mammal skin, hair / fur may provide better adaptation to external conditions mammal.