One of a pair of arteries carrying oxygen-rich blood from the aorta, up the back of the neck, contributing to the Circle of Willis and supplying predominantly the back of the head and brain, including the cerebellum. A small sac containing liquid. Activities that stimulate the structures of the inner ear that provide and maintain a sense of balance. The internal organs, especially those located within the abdominal cavity. Necessary to maintain life.
Breathing is a vital function.
Respiration, heart rate and body temperature. Removing the gel from the center of the eyeball because it has blood and scar tissue in it that blocks sight. An eye surgeon replaces the clouded gel with a clear fluid. A jellylike substance that fills most of the interior of the eye. Gelatinous substance found within the eye.