The United States Navy has twenty six grades of enlisted sailors and officers, with most sailors enlisting at the entry-level rank of Seaman Recruit (SR, paygrade E-1). The highest rank achievable in the Navy is Fleet Admiral.
Photo by: Sebastian Kaulitzki. The neuron (nerve cell) is the fundamental unit of the nervous system. The basic purpose of a neuron is to receive incoming information and, based upon that information, send a signal to other neurons, muscles, or glands. Neurons are designed to rapidly send signals across physiologically long distances. They do this using electrical signals called nerve impulses or action potentials. When a nerve impulse reaches the end of a neuron, it triggers the release of a chemical, or neurotransmitter. The neurotransmitter travels rapidly across the short gap between cells (the synapse) and acts to signal the adjacent cell.
Neuron. A neuron is a nerve cell. Neurons send information to and from your brain to the rest of your body. A neuron is made up of: 1  A cell body. 2  This is where the nucleus is. 3  Dendrites. 4  The dendrites receive signals from other neurons.5  A long, thin axon.6  The axon is covered by a myelin sheath.eurons send information to and from your brain to the rest of your body. A neuron is made up of: 1  A cell body. 2  This is where the nucleus is. 3  Dendrites. 4  The dendrites receive signals from other neurons. 5  A long, thin axon.