cardiac conduction system necklace | gold vermeil Dan the first illustrated book of

the first illustrated book of microscope observations

the format was already standard

Is this just for biologists

or molecular phylogenetics

you already know what this pendant shows

cardiac conduction system necklace | gold vermeil Dan the first illustrated book ofCardiac conduction system necklace 18k gold vermeil A signal starts in the sinoatrial node, sweeps across both atria, slows at the atrioventricular node, then races down the bundle of His and out through the Purkinje fibres to fire both ventricles in synchrony. That signal is the cardiac conduction system, the heart's electrical circuit. The pendant traces the entire path, in 18k gold vermeil. The Science Behind the Cardiac Conduction System The