Description : How the cow eats green grass but gives white milk?
Last Answer : The same way a human mother eats steak, veggies, and blueberrypie then gives her baby milk. The food is digested to itscomponents (e.g. simple sugars, fats, amino acids) then reassembledas ... feedtheir young. The mammary glands that make milk are a part of thefemale mammalian reproductive system.