Tue Nov 10, 2:01 PM ET

In this undated photo provided by the Atlanta Zoo, a western lowland gorilla named Ozzie voluntarily has his blood pressure taken by a machine students designed called the Gorilla Tough Cuff. Zoo officials say it's the first time a gorilla has ever voluntarily had its blood pressure taken in any zoo in the world. (AP Photo/Atlanta Zoo)

Copyright © 2009 The Associated Press. All rights reserved. The information contained in the AP News report may not be published, broadcast, rewritten or redistributed without the prior written authority of The Associated Press.