Have you ever wondered what it looks like when you open your mouth to speak? So much has to happen to actually get sounds to come out.

Your tongue, lips, pharynx and jaw all work together to accomplish a feat that we do nearly involuntarily, yet is so complex when you really stop to appreciate just all that is involved.

Christine Ericsdotter, a speech researcher, captured this image at 50 frames per second, over 20 seconds with a rapid-fire X-ray camera.