User talk:Avacado123

October 2012
Hello, I'm Velella. I wanted to let you know that I undid one or more of your recent contributions to Respiration (physiology) because it didn't appear constructive. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks!  Velella  Velella Talk 20:15, 25 October 2012 (UTC)