ALTHOUGH the circulatory system is powered by the strong, regular contractions of the heart, its smooth functioning relies on the integrity of the 60,000 miles of related vessels that carry the blood to the tissues and back to the heart.
One of the most important tasks of the circulatory system is transporting valuable nutrients and oxygen to all parts of the body swiftly and efficiently. Its ability to efficiently transport waste products away from tissues to be excreted out of the body is just as vital.
