Within five weeks, you start to see the early atrium and the early ventricles.

You can see the atrium and the ventricles, how blood flows to our arteries and veins.

Simply identify the two atria and cut them off, trimming them down to the tops of the ventricles.

So without them there, the only vessels remaining are the two major heart arteries: the aorta and pulmonary artery, which rise like white columns from between the ventricles.

You'll notice they don't leak at all when the ventricles are squeezed.

And the same goes for all of the space in the ventricles.

Ventricles in sentence

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