The axial skeleton includes the skull, vertebrae, the sacrum and coccyx, and ribs.
Think of it as an axle, so everything rotates around the center of an axle right? Your whole body rotates around those parts, so imagine that.
I'm so sorry I don't know what to say. You should talk to them about it, tell them how you are feeling. I fear it is a little too late as I am replying months later. Please don't do anything rash. I know you are tired and you feel like giving up but you have to keep going and pushing. Don't ever give up! I know you can handle this! If you ever feel nobody cares and nobody is supporting you, just know I am here for you.
The initial reaction of the body to stress is called the fight-or-flight response. :))