In this undated photo provided by the Atlanta Zoo, a western ...
AP
Tue Nov 10, 2:01 PM ET
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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)

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