Aluminium versus aluminum. Following up a Topical Words piece on the international spelling of what British English writes as sulphur, many American subscribers wrote in to ask about another element with two spellings: aluminium.
The simplest and presumably most primitive form of nervous system is termed a nerve net. In a nerve net, neurons are dispersed in a thin layer, not clustered into nerves or a central nervous system (CNS), and they are positioned seemingly at random relative to each other.he simplest and presumably most primitive form of nervous system is termed a nerve net. In a nerve net, neurons are dispersed in a thin layer, not clustered into nerves or a central nervous system (CNS), and they are positioned seemingly at random relative to each other.
What is the basic unit of structure and function in the nervous system? Quick Answer. The neuron is the basic unit in the nervous system, acting as a specialized conductor cell that receives and transmits electrochemical nerve impulses, explains Dr. Ananya Mandal. A typical neuron has a cell body and long processes that transmit impulses from one part of the body to another part.