A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.
Factinate on MSN
There's a muscle in your body that scientists say serves no purpose, but every human still has it
Run a finger down the center of the forearm, curl the fingers, and flex the wrist. For many people, a thin cord jumps into view, tight as a guitar string under the skin. It feels deliberate, almost ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results