Most systemic venous blood is both oxygen poor and nutrient poor. However, systemic venous blood that is oxygen not poor and nutrient rich occurs in
A) the pulmonary veins.
B) the renal vein.
C) the hepatic portal vein.
D) superficial veins of the limbs.

The portal vein is not a true vein, because it conducts blood to capillary beds in the liver and not directly to the heart. It is a major component of the hepatic portal system, one of only two portal venous systems in the body – with the hypophyseal portal system being the other.

Answer Link

Most systemic venous blood is both oxygen poor and nutrient poor. However, systemic venous blood that is oxygen not poor and nutrient rich occurs in A) the pulmonary veins. B) the renal vein. C) the hepatic portal vein. D) superficial veins of the limbs.

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Otras preguntas

Most systemic venous blood is both oxygen poor and nutrient poor. However, systemic venous blood that is oxygen not poor and nutrient rich occurs in
A) the pulmonary veins.
B) the renal vein.
C) the hepatic portal vein.
D) superficial veins of the limbs.