~to provide the body with a strong and mobile framework
~to allow the body to move
Explanation:
The skeletal system is made to provide movement for the body. Yes it may be able to help provide the body with cells. But that is not the main function of the skeletal system.
I would say Maria has depression. Depression can cause short term memory issues and can cause you to have poor judgment! This may not be correct though.
It also sounds dementia but the post says she cannot have dementia.