In some cases, when a person dies, the jaw muscles and muscles surrounding his eyes relax, causing the mouth and eyes to open slightly, according to Willamette Valley Hospice. If the person dies in a hospital or other ca... More »

According to the Vision Center of Excellence, sleeping with one's eyes open, or nocturnal lagophthalmos, can be caused by a number of factors, including a cone-shaped cornea and prior eye injuries. Neurological condition... More »

Chihuahua puppies first open their eyes 10 to 16 days after they are born. Their eyes are sealed from the time they are born until this happens. More »

A Duchenne smile is a smiling facial expression resulting from true happiness, characterized by engaging the muscles around a person's mouth and eyes. The expression is named after Guillaume-Benjamin-Amand Duchenne (de B... More »

The eyes, the joints and muscles and the vestibular organs in the inner ears control a body's balance by sending nerve signals to the brain. Dysfunction in any one of these systems can result in loss of balance. More »

Breathing air that is contaminated with Freon can cause respiratory difficulties, organ damage and, in some cases, death. Symptoms can vary depending on the extent of the Freon exposure, but even a small amount of exposu... More »

To draw cartoon characters, start with a circle and draw in the eyes followed by the jaw, nose, mouth, ears and hair and then draw the body. Details such as shading add depth and a three-dimensional quality. More » Art & Literature Fine Art Drawing