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==Key Stage 2==
===Meaning===
'''Respiration''' is the process of releasing [[energy]] from food.
==Key Stage 3==
===Meaning===
'''Respiration''' is the process of releasing [[energy]] from food [[molecule]]s.
===About Respiration===
: '''Respiration''' may be [[Aerobic Respiration]], requiring [[Oxygen]], or [[Anaerobic Respiration]] which can take place in the absence of [[Oxygen]].
{| class="wikitable"
|-
|[[File:AerobicRespirationWordEquation.png|center|300px]]
|[[File:AnaerobicRespirationWordEquation.png|center|300px]]
|-
| style="height:20px; width:300px; text-align:center;" |The word equation for '''aerobic respiration''' showing the [[reactant]]s and [[product]]s.
| style="height:20px; width:300px; text-align:center;" |A word equation for '''anaerobic respiration''' in [[Animal Cell|animal cells]] and [[Plant Cell|plant cells]] and [[bacteria]] showing the [[reactant]]s and [[product]]s.
|}
==Key Stage 4==
===Meaning===
===About Respiration===
: '''Respiration''' can may be [[Aerobic Respiration]], requiring [[Oxygen]], or [[Anaerobic Respiration]] which can take place in the absence of [[Oxygen]].
: 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]].