how come some people are born really flexible? – Secondary 11

Question: how come some people are born really flexible?
- Keywords:
  excercise,
  flexible
Asked by cheese2000 to Kate, Mark U, Tess, Yue on 1 May 2012.
- Yue Zheng answered on 1 May 2012:
  
  Hi Cheese2000! Sometimes it is because the person carries the genes to allow them to be more flexible from their parents. Therefore, they are more suitable for being gymnastics or dancers.

Question: how come some people are born really flexible?