[Verse 1] Vein to atrium, that's the entry gate, blood comes home tired, low pressure, no debate. Right side whispers: tricuspid, swing the door, into the ventricle, muscle on the floor. Pulmonary valve cracks open, quick and clean, off to the lungs through that arterial ravine. Vein—atrium—valve—ventricle—valve—artery, memorize the order, it's cardiac artistry. [Chorus] Veia, átrio, valva, ventrículo, valva, artéria— essa é a ordem, essa é a matéria. Twice through the heart, mirror on the right, same six steps dressed in different light. Vein to artery, never skip a stair, cada batida canta essa oração. [Verse 2] Now cross the septum, walk the other side, pulmonary veins bring oxygen like a tide. Left atrium catches it, calm and full, mitral valve opens, gentle, never dull. Left ventricle flexes, the strongest room in town, aortic valve springs the whole body's crown. Same six steps, just wearing a different name— vein, atrium, valve, ventricle, valve, artery, same game. [Chorus] Veia, átrio, valva, ventrículo, valva, artéria— essa é a ordem, essa é a matéria. Twice through the heart, mirror on the right, same six steps dressed in different light. Vein to artery, never skip a stair, cada batida canta essa oração. [Verse 3] Now snap the chain and see what forms— a missing link, anatomy performs. Tricuspid atresia—that door's sealed shut, transposition swaps the arteries, crosses the route. Double outlet—two roads leaving one room, truncus arteriosus, one trunk where there's usually two. Every defect's just the pattern gone wrong, broken, missing, or doubled somewhere along the song. [Bridge] (Female) Elo quebrado, elo que sobrou— (Male) name the missing step, and the diagnosis is yours. Six links only, count them like a rosary, find the fault, you've found the anomaly. (Female) Não é mágica, é geometria— trace the pipeline, read the anatomy. [Verse 4] So trace it twice, right lung side then the left, vein through atrium, valve, chamber, valve, then the exit. Deoxygenated rides the tricuspid car, oxygen-rich takes the mitral, riding far. Learn the sequence, hold it steady in your mind, every twisted heart's this same chain, redefined. [Chorus] Veia, átrio, valva, ventrículo, valva, artéria— essa é a ordem, essa é a matéria. Twice through the heart, mirror on the right, same six steps dressed in different light. Vein to artery, never skip a stair, cada batida canta essa oração. [Outro] (Female) Vein... atrium... valve... ventricle... valve... artery. (Male) Twice through the chest, essa é a anatomia. Six links, two sides, one steady heart— break one down and you'll name the part.
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