The eye muscles have to be fast. Just to track an object involves at least seven different highly coordinated movements. If eye muscles were slow, we couldn't focus on anything moving around us.

The muscles that control your eyes are the most active muscles in your body. 4. Concentrated at the outer edges of the retina, rod cells are involved in peripheral vision ... see stars out of the ...

A muscle that we thought served no purpose beyond enabling some people to wiggle their ears is actually active when we are ...

If you can wiggle your ears, you can use muscles that helped our distant ancestors listen closely. These auricular muscles helped change the shape of the pinna, or the shell of the ear, funneling ...