define respiration ?briefly
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respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
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The process of taking in oxygen and giving out carbon dioxide is called respiration.
When we inhale CO2 and O2 get inside our respiratory system, this system splits CO2 and O2.This oxygen is taken in by lungs.
When we inhale CO2 and O2 get inside our respiratory system, this system splits CO2 and O2.This oxygen is taken in by lungs.
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