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Re: The heart of a Brachiosaurus

To: dinosaur@usc.edu
Subject: Re: The heart of a Brachiosaurus
From: DinoX@aol.com
Date: Fri, 27 Nov 1998 14:54:10 EST
Reply-to: DinoX@aol.com
Sender: owner-dinosaur@usc.edu

In a message dated 25/11/98 08:01:45 GMT, you write:

<< how big was the heart of a Brachiosaurus. It must have
 been huge to pump blood all the way up to its head. And/or was its blood
 pressure really high? >>

Chris McGowan in his book Diatoms to Dinosaurs estimates the heart of a 50 ton
sauropod to have weighed 1.6 tons and been capable of pressures up to 568 mm
Hg. (For comparison a giraffe has a pressure of 210 mm Hg).

DinoX

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