A: A portal system consists of veins that sta | vedclass

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(C) The Assertion is correct because a portal system is defined as a system of veins that begins in the capillaries of one organ and ends in the capil

Vedclass · Accepted Answer

Assertion is correct,but Reason is incorrect.

Vedclass · Answer

(C) The Assertion is correct because a portal system is defined as a system of veins that begins in the capillaries of one organ and ends in the capillaries of another organ.The Reason is incorrect because,while the hepatic portal system is present in most vertebrates,it is not present in all vertebrates (e.g.,it is absent in cyclostomes and some fish).Therefore,the correct option is $C$.

$A$: $A$ portal system consists of veins that start from capillaries and end into capillaries.
$R$: All vertebrates have a hepatic portal system.

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$A$: $A$ portal system consists of veins that start from capillaries and end into capillaries.$R$: All vertebrates have a hepatic portal system.