| 2005/09/07 16:58:29 PDT by Fallen angle |
This is an AP biologoy chat room right?
The Private Chat Room of John and Azomac
| 2005/09/10 18:00:52 PDT by waterwings |
Quote from Fallen angle:
This is an AP biologoy chat room right?
more like it was. who are you??
| 2008/05/04 19:56:53 PDT by ty |
The bicuspid valve precents blood from flowing back into the
right atrium
right ventricle
left atrium
left ventricle