it is the pupil

Automatic movement is exactly what it sounds like it would be. These are movements that are done automatically without conscious thought.

The main source of energy used in an automatic watch is kinetic energy, which the watch's mechanism absorbs through the movements of the wrist.

Quick, automatic, or invlountary movements that the body makes. It also means the bodys agility, speed and accuracy.

Its job is to send and receive messages throughout the body. It controls all of your thoughts and movements. Produces digestive enzymes. Memory and Intelligence.