Cervical cancer is caused by severe abnormal changes in the cells of the cervix. Most precancerous or cancerous cell changes occur in the cervix at the transformation zone, because these cells normally undergo constant change.
A balk in baseball is any action by the pitcher that violates the balk rule, which restricts the actions of the pitcher when there is at least one runner on base. The purpose of the balk rule is to protect the runner or runners from being deceived by the pitcher.
Sporting Charts explains Walk-off Win. Most baseball games conclude in the 9th inning, either with the home team or the visiting team in the lead. A walk-off occurs when the game is tied, or the visiting team has the lead and the home team takes the lead during the 9th inning or later. The game is immediately over and the home team wins.