What is the main roles of the skeletal system?

Jessica said she would never work for less than $12 an hour, but then she got a job looking after children in the afternoon, and it pays only $6 an hour. now she says that money isn't as important as enjoying her work. this is an example of: apex

Results from damage to tiny air sacs in the lungs

After a tiring half of a basketball game, what should the players eat to get instant energy?