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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 tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

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Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

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The Conscious & Unconscious Nervous System

This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..

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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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Sleep and Dreams – Neurology

While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..