Doctors say it is uncertain, but possible causes are genetics and the enviroment.
Answer:
Range of motion
Explanation:
Range of motion (ROM) refers to how far you can move or stretch a part of your body, such as a joint or a muscle. It's different for each of us. For example, some people can do complete splits, but others can't: their joints aren't loose and their muscles won't lengthen as far.
Answer:
Couldn't live without my eyes, I do lots of art, so I need 'em.
Explanation:
I would give up my uterus if that counts as an answer. Children nasty--
increasing elderly population
Increasing rates of chronic diseases
increasing educational costs
