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Complete PICLE corpus of essays by Polish advanced EFL students (330,000)

/^t/Protectional character of hair is a result of its basic function, which was the most important when the humankind was down the evolutional level. As antropologists prooved, the prehistoric human was covered with thick hair all over the body. Hair served as natural protection against weather; it helped to keep the body dry and warm. Now we have only traces of that function. Hair on the head it is what evolution left unchanged - an additional protection for the brain (apart from the skull and the skin). It also protects the body against losses of heat. Eyebrows and eyelashes preserved protectional function as well, as a natural barrier against: dust, slurd or wind.