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

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Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

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

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Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..