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→Key Stage 3
==Key Stage 3==
===Meaning===
[[File:HeartPicture.png|right|300px|thumb|A computer generated image of a [[heart]].]]
The [[heart]] is an [[organ]] which pumps [[blood]] around the body.
===About the Heart===
: The [[heart]] is made of [[Muscle Tissue|muscle tissue]], [[Connective Tissue|connective tissue]], [[Nerve Tissue|nerve tissue]], and [[blood]].
{| class="wikitable"
|-
|[[File:HeartBloodFlow.png|center|200px300px]]| style="height:20px; width:300px; text-align:center;" |A [[diagram]] showing the [[blood]] flow through the [[heart]]. {| class="wikitable"|[[File:CG_Heart.gif|center|400px600px]]
|-
| style="height:20px; width:200px; text-align:center;" |A [[diagram]] showing the [[blood]] flow through the [[heart]].| style="height:20px; width:400px600px; text-align:center;" |A computer generated animation of the [[heart]] pumping.
|}