You are presented with the question "What happens to your leg when muscle fibers shorten?" and the following answer choices: 
- they bend
 - It decreases
 - It straightens
 - permineralization
 - It expands
 - Damages them
 - Localized damage
 - Dehydration

Now knowing that muscle contraction occurs when muscle fibers get shorter and contraction of the muscle straightens the leg, choose the best answer.


 

   It straightens      