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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

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

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Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..

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A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..

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The Central Nervous System

Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..