Answer:skeletal
Explanation:
your bones are the reason you move, gives structure to everything
A. Warning signs, they can make the person with the illness more ill, they could feel neglected or like no one understand what they are doing and can't see the signs but jn some cases it's the person with the illness that doesn't know like bipolar people might not know they are bipolar until the test.
Its B an its a edpidemic because it was contained to detroit