Arteries carry blood away from the heart, and veins carry blood toward the heart. Capillaries connect the arteries to the veins throughout the body. Fun Fact: If all the blood vessels from a child's size body were lined up in a row, they would form a line more than 60,000 miles long.
Fats in Butter. Butter is about 80% fat, and the rest is mostly water. Basically, it is the fatty portion of milk that has been isolated from the protein and carbs. Butter is one of the most complex of all dietary fats, containing more than 400 different fatty acids. It is very high in saturated (about 70%) fatty acids, and contains a fair amount of monounsaturated fatty acids (about 25%).
Butter is made of butterfat, water, and some milk proteins. Commercial butter is 80â82 percent milk fat, 16â17 percent water, and 1â2 percent milk solids other than fat (sometimes referred to as curd). It may contain salt, added directly to the butter in concentrations of 1 to 2 percent.Unsalted butter is often referred to as âsweetâ butter.ommercial butter is 80â82 percent milk fat, 16â17 percent water, and 1â2 percent milk solids other than fat (sometimes referred to as curd). It may contain salt, added directly to the butter in concentrations of 1 to 2 percent.