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

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Physiological Homeostasis

Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

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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..

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Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..