Endozoa

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

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

The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..

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