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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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The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

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

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

Plant biology
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Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..