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The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..

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Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..

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Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..

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Human Reproduction and Fertilization

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

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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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Population Regulation in an Ecosystem

With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..