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The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

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Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

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Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

Human Neurology
Human Neurology

Human Neurology deals essentially with the nervous system of humans. It also features the various theories put forward b..

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

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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..