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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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For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

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Physical Development in Humans

This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

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Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..

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Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..

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