Fact 1: Dilation occurs when cell walls relax.

Fact 2: Slowly leg muscles ease up and shoulders relax.

Given the two facts above, answer the question "What occurs when cell walls ease up?" with the following options: 
- root growth
 - air cools
 - dilation
 - sweating
 - Dehydration
 - recovery
 - Exfoliation
 - less water


 

   dilation      