Brain BoutBrainBout

@realBrainBout @Level-1
Oxygen starved blood enters the human heart through two large veins...
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Brain BoutBrainBout

@realBrainBout @Level-1
Oxygen starved blood enters the human heart through two large veins...
Game Media
Oxygen starved blood enters the human heart through two large veins , the inferior and superior vena cava, pouring oxygen-poor blood from the body into the right atrium.
Image: By Door en:User:Wapcaplet. - EN Wikipedia (slightly edited by Stanisław Skowron), CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=784427
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