Tubes which carry blood around the body. There are three types of blood vessel. The largest are arteries which carry blood containing oxygen around the body. Veins carry blood back to the heart to pick up more oxygen. The smallest blood vessels are capillaries which join arteries to veins. The capillaries carry the blood and its oxygen to all the tissues of the body.
Tubes that act like a system of roads or canals to carry blood to and from all parts of the body. The three main types of blood vessels are arteries, veins, and capillaries. As blood travels through the vessels, it delivers oxygen and nutrients and removes waste products throughout the body.
Tubes that act like a system of roads or canals to carry blood to and from all parts of the body. The three main types of blood vessels are arteries, veins, and capillaries. The heart pumps blood through these vessels so that the blood can carry with it oxygen and nutrients that the cells need or take away waste that the cells do not need.
An extensive network of flexible tubes that carries blood to and from the heart and throughout the body. The blood vessels are the transportation system of the body. The blood vessels include arteries, capillaries, and veins.
Various sized conduits through which blood flows so that the blood can supply nutrients and oxygen to the cells and carry away carbon dioxide and wastes. The vessels are named according to whether they are carrying blood to or from the heart, by their size, and by their location. The small blood vessels associated with the skin are important in regulating body temperature and skin color.