Sudd Enli
Suddenli
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Your heart is a muscle that pumps blood around the body. For the pump to work, it needs an electrical supply
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Uploaded on July 1, 2013
Taken on June 30, 2013
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Your heart is a muscle that pumps blood around the body. For the pump to work, it needs an electrical supply
85
views
0
faves
0
comments
Uploaded on July 1, 2013
Taken on June 30, 2013