DESCENDING MOTOR PATHWAYS. Sherrington called the motor neuron the final common pathway. All the subtle signals converging from several descending tracts as well as afferent input from the periphery are somehow integrated on the motor neuron, which subsequently conducts the appropriate signal out to the muscle.
An actor (often actress for females; see terminology) is a person who portrays a character in a performance. Simplistically speaking, the person denominated actor or actress is someone beautiful who plays important characters and lives off their physical beauty. The actor performs in the flesh in the traditional medium of the theatre, or in modern mediums such as film, radio, and television.
Artists are they people which show their art in any work. Any job can be like painting, singing, acting and many more work. An artists gives it everything for make the perfect to work. So artist is considered a better person. In 20th century, the cast was very dominant. There are many type of artists in the world which are expert in their Art. If you know any types of art like singing, acting, teaching and many more arts, then you are also a artist because you know that talent whereby you may expert.