The diagram shows a section through a villus. What is the function of structure X?
(i) To absorb amino acids (ii) To carry blood
(iii) To transport fats (iv) To transport glucose
(iii) The lacteal absorbs the end-products of fat digestion, i.e., fatty acids and glycerol. Thus, transports them to the lymphatic vessels that eventually empty into the blood circulation into the neck.