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NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    Pulmonary artery is different from pulmonary vein because it has:                                          

    A)                 larger lumen                                                     

    B)                 thick muscular walls                       

    C)                 no endothelium                                              

    D)                 valves

    Correct Answer: B

    Solution :

                    Arteries have thick walls, narrow lumen but no valves. Endothelium is present in both arteries and veins. Impure blood comes from different body organs, is first received by right auricle and from there it flows to right ventricle. Later flows impure blood through pulmonary artery and then to arteries to the lungs.


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