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Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

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Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..

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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

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Principles of Hormonal Control Systems

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