(B) 2, 1, 19 ... is the answer
⇒ aids the performer in preparing physiologically for exercise reducing the chance of joint and muscle injury.
⇒ prepared the body for exercising the blood flow to the muscles allowing them to loosen up which can raise the flow of oxygen to muscle cells.
I’m pretty sure it is kidney problems
Attend doctors appointments with the mother to help listen to treatment options, ask questions, and discuss any alternatives they can consider.