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==Key Stage 2==
===Meaning===
'''Respiration''' is the process of releasing getting [[energy]] from food.
==Key Stage 3==
===About Respiration===
: '''Respiration''' may be [[Aerobic Respiration]], requiring [[Oxygen]], or [[Anaerobic Respiration]] which can take place in the absence of [[Oxygen]].
[[Aerobic Respiration]]: ''Glucose + Oxygen → Water + Carbon Dioxide''
[[Anaerobic Respiration]]: (in [[human]]s): ''Glucose → Lactic Acid''
[[Anaerobic Respiration]]: (in [[yeast]]): ''Glucose → Ethanol + Carbon Dioxide''
: In [[Eukaryotic Cell|eukaryotic cells]] '''respiration''' takes place in the [[mitochondria]].
: In [[Prokaryotic Cell|prokaryotic cells]] '''respiration''' takes place in the [[cytoplasm]] of the [[Cell (Biology)|cell]].