:) how do the muscular, skeletal, and nervous systems work together to maintain homeostasis?

Ineed advice! its importantokay so.. i made a bad choice at school and was sent to an alternative i go back to my home school at the end of the month ..and i'm seriously scared to go back because i know people have been talking about me behind my back calling me names.. and when i walk into first block everyone is going to stare and start talking about i've lost friends and i'm alone.. the whole school now thinks i'm something that i'm i don't know what to do when i get back or how i'm even going to survive the first day. i want people to leave me alone but i know they won't.. anyone have advise? i really need it.. ime getting terrible anxiety from me thinking about all this stuff

Is it considered muscles' ennervation if the sympathetic fibers innervate vessels within the muscle ? (vasomotricity)

What would happen if you ate the number of calories of someone who is much taller and more active than you are?