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
- DNone of these
✓
Answer
Correct option: B.
$A$ vein starts from an organ and ends up in another organ
b
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