Dilation occurs when cell walls relax, and blood flow is improved by vitamin E and it causes blood vessels to dilate or expand. Given these facts, what happens when cell walls relax among the following options:
- evaporation
 - permineralization
 - preventing heat transfer
 - allow growth
 - it keeps an organism warm
 - air cools
 - Cell walls expand
 - heat produced


 

       Cell walls expand  