The human eye is a sense organ that reacts to light and allows vision. Rod and cone cells in the retina allow conscious light perception

So, if you’re someone who seems to be highly sensitized to stress, you might get the impression that there’s something “wrong” with you. (Spoiler alert: there’s not.)

The ear is a complex and delicate organ. It collects sound waves so you can hear the world around you. The ear also has a second function—it helps you keep your balance.

The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column