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==Key Stage 1==
===Meaning===
[[File:HeartLocation.png|right|300px|thumb|This picture shows where the heart is.]]
The '''heart''' is a part of the body in the centre of your [[chest]].
: A healthy '''heart''' beats around 70 times per minute when you are resting.
: The '''heart''' beats faster when you [[exercise]].
: The '''heart''' is protected by the [[Rib Cage|rib cage]].