Like a body system? What type of system?
Gardenia probably works in a hospital or private clinic as a prosthetist providing artificial limb for patients. It is her work to design and create prosthersis which can be use for a missing limb. They usually work with a prosthetic technician and orthotist.
taking deep breaths and call her mom or look for her (in the house)
They learn and become more responsible. Sometimes theyre perspective of the world can change when doing so.