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Respiration is a critical biological process involving the transport of oxygen and the release of energy in living organisms. It encompasses two main phases: inspiration and expiration, which comprise the mechanics of breathing. However, respiration is distinct from mere breathing; it refers to a series of complex chemical reactions facilitated by specific enzymes that break down nutrients, particularly glucose, in cells. This controlled release of energy contrasts with combustion, which tends to be uncontrolled and inefficient. Understanding these processes is essential for grasping how our bodies function.
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