How does power flow through our federal system of government?

How does power flow through our federal system of government? ... government by the U.S. Constitution. These are also known as enumerated or delegated powers. interstate commerce Trade that takes place between two states or among several states.

Nerve net, primitive nerve arrangement forming the entire nervous system of many cnidarians and a part of more advanced nervous systems. Cytoplasmic processes join the nerve cells (neurons) of nerve nets. In cnidarians the neurons are joined to epithelial receptors and to contractile cells. In vertebrates, nerve nets may be found around blood vessels and the alimentary tract.