Bicuspid and tricuspid valve opens when
- ABlood from the pulmonary artery and vena cava flows into the left and right ventricles, respectively
- BBlood from the pulmonary vein and vena cava flows into left and right ventricles, respectively
- CBlood from the pulmonary vein and vena cava flows into left and right atrium, respectively
- DOxygen from the pulmonary vein and vena cava flows into left and right atrium, respectively
✓ Correct answer: C
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