Fructose is absorbed into the blood through mucosa cells of the intestine by the process called

Match the following columns:

Column-$I$	Column-$II$
$a$. Mouth	$i$. Absorption of water and salt
$b$. Stomach	$ii$. Absorption of amino acids
$c$. Small intestine	$iii$. Absorption of alcohol
$d$. Large intestine	$iv$. Absorption of some drugs

Which of the following is absorbed in the proximal part of the small intestine?

The process involving the conversion of solid substances into liquid material finally results in the absorption along the gut wall,they are then incorporated into the cells as complex substances. The process is called

Carrier ions like $Na^+$ facilitate the absorption of substances like

Intestinal villi are more numerous and larger in the posterior part of the small intestine than in the anterior part because: