Conceptually, the cardiovascular system (CVS) is fairly straightforward: a (double) pump connected to some tubes for the purpose of moving fluids around the body. As one delves deeper into the structures of the CVS, however, they'll discover a fascinating array of complexity as this system interacts with every other organ system in the body to maintain homeostasis.
Study labeled images of heart models with interactive answer keys and hints.
Study labeled images of blood vessel models with interactive answer keys and hints.