MCQ
$A$ portal system is one in which
  • A
    $A$ vein starts from an organ and ends up in heart
  • $A$ vein starts from an organ and ends up in another organ
  • C
    $A$ vein starts from heart and ends up in lungs
  • D
    None of these

Answer

Correct option: B.
$A$ vein starts from an organ and ends up in another organ
b

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