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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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This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

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In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

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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 Central Nervous System

Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

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