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Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..

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

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The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..

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While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

Types and Causes of Brain Damage
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This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..