How do vocal cords work?

Vocal cords are magical things. They let us speak, sing, squawk and scream. But what are vocal cords and how do they do all that? We asked pediatrician Emma Gerstenzang to help us find the answer. Got a question that’s chattering away in your brain? Send it to us at BrainsOn.org/contact, and we’ll belt out an answer! See omnystudio.com/listener for privacy information.