Digested food materials entering the blood re | vedclass

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(A) After digestion, nutrients are absorbed into the blood capillaries of the villi in the small intestine.These capillaries join to form the hepatic

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Hepatic portal vein, hepatic vein and post caval

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(A) After digestion, nutrients are absorbed into the blood capillaries of the villi in the small intestine.These capillaries join to form the hepatic portal vein, which carries the nutrient-rich blood to the liver.In the liver, the blood is processed, and then it is collected by the hepatic vein.The hepatic vein drains this blood into the inferior vena cava (also known as the post caval vein).The inferior vena cava then transports the blood directly to the right atrium of the heart.Therefore, the pathway is: Hepatic portal vein $\rightarrow$ Liver $\rightarrow$ Hepatic vein $\rightarrow$ Post caval (inferior vena cava) $\rightarrow$ Heart.

$P$. Mouth	$I$. Certain drugs
$Q$. Stomach	$II$. Water, certain minerals, and drugs
$R$. Small intestine	$III$. Glucose, fructose, fatty acids, glycerol, etc.
$S$. Large intestine	$IV$. Water, simple sugars, and alcohol

Digested food materials entering the blood reach the heart by which of the following pathways?

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