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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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Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..

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Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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This tutorial is a continuation of the first lesson on chromosomal mutation. Here, find out the chromosomal aberrations ..

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Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..

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Digestion and Absorption of Food

The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..