Genesis

Genesis The beginning of a process...

Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

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

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

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

Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

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