Hamiltontrust-live-b211b12a2ca14cbb94d6-36f68d2.divio ...

Watch the BBC & BHF videos on how the heart works and ask chn why it is such an important organ. What would happen to the body if it stopped working? Watch the beating heart animation and 3D echocardiogram then listen to the heartbeat (see links) - this is what the doctor hears with a stethoscope. It is a lub-DUB sound and is the sound made by ... ................
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