They still do, Bobby...
Mike
-----Original Message-----
From: St. John's University Cerebral Palsy List
[mailto:[log in to unmask]] On Behalf Of BG Greer, PhD
Sent: Friday, September 20, 2002 10:56 AM
To: [log in to unmask]
Subject: Re: peter singer again
In ways the are very similar to humans. I believe that they used to use
their
heart valves in humans.
Bobby