Lacteals are part of the villi and are responsible for which process?

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Prepare for the Leaving Certificate Digestion Test with engaging questions and explanations. Ready yourself with multiple choice quizzes, hints, and deep insights. Be exam-ready now!

Multiple Choice

Lacteals are part of the villi and are responsible for which process?

Explanation:
Lacteals are lymphatic vessels located in the core of each villus, and their job is to absorb dietary fats. Fats are too large to fit into the tiny blood capillaries, so once digested and packaged into chylomicrons, they enter the lacteals and are carried away by the lymphatic system, eventually joining the bloodstream. In contrast, sugars and amino acids are taken up by blood capillaries and go to the liver via the hepatic portal vein. So the primary function of lacteals is absorbing fats into the lymphatic system.

Lacteals are lymphatic vessels located in the core of each villus, and their job is to absorb dietary fats. Fats are too large to fit into the tiny blood capillaries, so once digested and packaged into chylomicrons, they enter the lacteals and are carried away by the lymphatic system, eventually joining the bloodstream. In contrast, sugars and amino acids are taken up by blood capillaries and go to the liver via the hepatic portal vein. So the primary function of lacteals is absorbing fats into the lymphatic system.

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