Definitions for "Circulatory system"
System of organs and blood that brings nutrients and oxygen to cells and carries away wastes. In higher vertebrates, the system has a pulmonary and systemic circuit. The pulmonary circuit carries blood to the lungs to be oxygenated, while the systemic circuit carries oxygenated blood to the body. Vertebrates have a closed circulatory system, while arthropods have an open system.
the transport system in animals.
The network of blood vessels and lymphatic vessels that facilitate the distribution and circulation of extracellular fluid.
Keywords:  bunch, pipes, fluid, carrying, flow
a bunch of pipes for carrying fluid flow