Heart septum

... that can be summed based on their components. If you think of the heart, electricity flows from the SA node, through the AV node, and then down the septum through the Bundle of His. As the electricity moves, the direction of flow at any ...

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... are part of these flows. Craig Holdrege in his book “ The dynamic Heart and Circulation” describes the development of the heart this way http://www.natureinstitute.org/pub/ic/ic7/heart.htm ... In the "still water zone" between the two currents, the septum dividing the two chambers forms ...

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... fibers that conduct an electrical stimulus or impulse that enables the heart to contract in a coordinated fashion. atrioventricular node - is a ... heart, specifically in the posteroinferior region of the interatrial septum near the opening of the coronary sinus, which conducts the normal ...

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I think I'd say that it's because the lung system evolved before the septum evolved in the heart separating it. In the case of the frog, everything from the lung just gets dumped into ...

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... the case. At the Bundle of His, you are still in the Interventricular septum - not the actual ventricles themselves. It's not until after the nerve ... AV Node/Bundle of His area, just from looking at illustrations of the heart. But now I'm starting to suspect that it actually doesn't start until ...

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