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Bhai plz koi bata de...artery to blood organs Mai le jata hai to usme to oxygen Hona Chahiye lakin isme to keh Raha hai ki pulmonary artery deoxygenated blood le atta hai akhir kaise voh toh pure body Mai blood le jata hai to usme to oxygen Hona cahaiye lakin isme to Nahi hai...akhir kaise |
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