A portal system is one in which | vedclass

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(B) portal system is a circulatory arrangement where blood collected from one organ is transported to another organ through a vein before returning to

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$A$ vein starts from an organ and ends up in another organ

Vedclass · Answer

(B) portal system is a circulatory arrangement where blood collected from one organ is transported to another organ through a vein before returning to the heart. In a typical systemic circulation,blood flows from the heart to an organ and then back to the heart. However,in a portal system,the venous blood from one organ (e.g.,the digestive tract) is carried to another organ (e.g.,the liver in the hepatic portal system) by a portal vein,where it breaks into capillaries again before finally reaching the heart. Therefore,the correct definition is that a vein starts from an organ and ends up in another organ.

$A$ portal system is one in which

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