You are presented with the question "What becomes larger when cell walls relax?" and the following answer choices: 
- shrub beds
 - wave in air
 - a cuticle
 - It expands
 - layers of fat
 - an object
 - sensory neurons
 - the pupils

Now knowing that dilation occurs when cell walls relax and larger, dilated pupils are seen as more attractive than smaller, contracted pupils, choose the best answer.


 

        the pupils 