What keeps a human heart beating?

Subject: What keeps a human heart beating?

Date: Thu Oct 1 19:18:04 1998
Posted by Willy Lamb-Orgel
Grade level: 7-9
School: Shelburne Community School
City: Shelburne State/Province: Vermont (VT)
Country: USA
Area of science: Anatomy
ID: 907287484.An

Message:


Please tell about how the the heart can stop beating and what keeps it 
going like a motor.  Where's the fuel?  If it's electric, where does 
the electricity come from?

Re: What keeps a human heart beating?

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