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The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

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New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..

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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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IQ, Creativity and Learning

Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

Chemical composition of the body
Chemical Composition of the Body

The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

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Muscle

Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..