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%).
1 Is a very rich source of the vital mineral selenium. 2  Saturated fats in butter have strong anti-tumor and anti-cancer properties. 3  Butter contains conjugated linoleic acid, which is a potent anti-cancer agent, muscle builder, and immunity booster. 4  Vitamin D found in butter is essential to absorption of calcium.he Bible has references to butter as the product of milk from the cow, and of Abraham setting butter and milk from a calf before three angels who appeared to him on the plains of Mamre. For millennia, people around the globe have prized butter for its health benefits.