Body Fluids and Circulation / शरीर के तरल पदार्थ और परिसंचरण
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Biology
Body Fluids and Circulation / शरीर के तरल पदार्थ और परिसंचरण
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Self Evaluation Test - Body Fluids and Circulation
question_answer
Pulmonary aorta in mammalian embryo communicates with carotico-systemic aorta by a thin vessel called ductus arteriosus which latercloses and remains in adult as: