Statement 1: Portal vein begins from one organ as capillaries and ends in another organ as a vein.

Statement 2: The hepatic portal system is an example of the portal circulation.

Statement 1 is true but statement 2 is false.

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Statement 1 is false but statement 2 is true.

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Both the statements are true.

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Both the statements are false.

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Solution

The correct option is B
Statement 1 is false but statement 2 is true.

The vein that carries blood from organ to organ is called the portal vein. Portal vein begins from one organ as capillaries and ends in another organ as capillaries. Examples of such systems include the hepatic portal system, the hypophyseal portal system, and (in non-mammals) the renal portal system.

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Similar questions

Assertion (A): A complex of veins beginning and ending in capillaries through which blood circulates before returning to the heart is called a portal system.

Reason (R): All mammals have a hepatic portal system.

Q. The blood vessel that begins and ends in capillaries is the ______ (hepatic artery, hepatic portal vein, hepatic vein).

Statement 1: A complex of blood vessels beginning and ending in capillaries through which blood circulates before returning to the heart is called a portal system.

Statement 2: All mammals have a hepatic portal system.

Q. Assertion :In chordates a portal system is a complex of veins, which begins in capillaries and ends in capillaries before the blood, which courses through it, returns to the heart. Reason: All vertebrates have a hepatic portal system.

Assertion (A): A complex of blood vessels beginning and ending in capillaries through which blood circulates before returning to the heart is called a portal system.

Reason (R): All mammals have a hepatic portal system.

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Statement 1: Portal vein begins from one organ as capillaries and ends in another organ as a vein. Statement 2: The hepatic portal system is an example of the portal circulation.

Statement 1: Portal vein begins from one organ as capillaries and ends in another organ as a vein.

Statement 2: The hepatic portal system is an example of the portal circulation.