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.
There are 6 muscles that move your eye. Four of these, the inferior rectus, superior rectus, lateral rectus and medial rectus, are most frequently. involved. These muscles originate behind the eye at the peak of the eye socket and attach to the eye ju st. behind the cornea (the clear portion of the eye overlying the colored part of the eye). The muscles cannot. be seen on the surface as they are covered by a thin layer of tissue (the conjunctiva) but may become.