Give the scientific terms for the following
(i) A protein found in milk that forms curd, it tends to be difficult for infants to digest.
(ii) A lymphatic vessel in an intestinal villus, it aids in the absorption of fats.
(iii) Sphere formed by bile salts that surround lipids to make them temporarily water soluble.
(iv) Fine microscopic, finger-like projections lining the small intestine that serves to increase, the absorptive surface area.