The Sopranos (season 6) The sixth and final season of the HBO drama series The Sopranos was broadcast in two parts, the first beginning on March 12, 2006 and ending after twelve episodes on June 4, 2006. The first of the final nine episodes premiered on April 8, 2007 with the series finale airing on June 10, 2007.
The brain is a complex organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It contains billions of nerve cells that are connected by synapses to other cells and can send a train of signal pulses throughout the body.he brain is a complex organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It contains billions of nerve cells that are connected by synapses to other cells and can send a train of signal pulses throughout the body.
Invertebrates are those animals without a backbone (spinal column). Invertebrates include animals such as insects, worms, jellyfish, spiders-these are only a few of the many types of spineless creatures. Invertebrates have played an important role in discoveries about how the nervous system works.he nervous system of the starfish is very simple...there is no brain and there are not even any ganglia to coordinate movement. The nervous system is characterized by a nerve ring that surrounds the mouth. A radial nerve branches off of the nerve ring and extends to each arm.