There Are Mysterious Wrinkles Inside Our Hearts. This Might Be What They’re For – ScienceAlert

Every single one of us carries a mystery deep inside our hearts that has perplexed us for centuries.  
There’s a web-like network of bumps lining our ventricles known as trabeculae carnae that seems important, especially while the cardiovascular system is still developing. We’ve just never been sure what functions it might serve if any once we’re fully grown.
To get to the bottom of this anatomical curiosity, an international team of researchers have pulled some big numbers, comparing cardiac …

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