You are presented with the question "When cell walls relax they" and the following answer choices: 
- migrate
 - slows
 - nektar
 - vibrate
 - sweat
 - widen
 - expand
 - heat

Now knowing that dilation occurs when cell walls relax and dilatation is the widening of the cervix using progressively wider metal rods, choose the best answer.


 

      widen   