User talk:190.234.155.239

October 2009
Welcome to Wikipedia. The recent edit you made to the page Endocrine system has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. --Rrburke(talk) 23:37, 15 October 2009 (UTC)