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The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

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This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..

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Bryophytes

Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..

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The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..