T.J. Uriona and a Gator (image) University of Utah Share Print E-Mail Caption T.J. Uriona, a University of Utah doctoral student in biology, holds a juvenile American alligator. Uriona and his professor, biologist C.G. Farmer, have published a study showing how alligators use muscles to move their lungs backward to help them dive, and to one side or the other to roll. Credit Hannah Chirillo. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.