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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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A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..

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Regulation of Biological Systems

Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..

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Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..