Vasco Nunez de Balboa went on to discover new lands and was appointed governor of different regions in the Americas. One of his biggest achievements was that of crossing over the southern part of the continent by crossing the present day Isthmus of Panama.
Muscles of the eyes. The are six muscles of the eyes responsible for movement of the eye. These muscles function in Agonist and Antagonist pairs enabling us to move our eyeballs in the cardinal directions, up, down, left and right. There are six muscles which are responsible for controlling the movement of the eyeballs.
Orbicularis Oculi Muscle The orbicularis oculi muscle is a ringlike band of muscle, called a sphincter muscle, that surrounds the eye. It lies in the tissue of the eyelid and causes the eye to close or blink. At the same time, it compresses the nearby tear gland, or lacrimal gland, aiding the flow of tears over the surface of the eye.