In a portal system of man:

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Question

(B) portal system is defined as a circulatory pathway where blood,instead of going directly to the heart,passes through an intermediate organ via a po

Vedclass · Accepted Answer

$A$ vein enters into an organ other than heart and breaks into capillaries

Vedclass · Answer

(B) portal system is defined as a circulatory pathway where blood,instead of going directly to the heart,passes through an intermediate organ via a portal vein. In this system,a vein starts from one organ (e.g.,the digestive tract) and enters another organ (e.g.,the liver) where it breaks into capillaries before continuing to the heart. Therefore,the correct definition is that a vein enters into an organ other than the heart and breaks into capillaries.

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In amphibians and reptiles,the $A$ atrium receives oxygenated blood from the gills/lungs/skin and $B$ atrium gets the $C$ blood from other body parts. Choose the correct option for $A$,$B$,and $C$.

Assertion $(A)$: In humans,a hepatic portal system is present.
Reason $(R)$: The hepatic vein carries blood from the intestine to the liver.

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