During childhood , when they are young and first learning to talk
I would say, A. Endoscopy because, it is a tube that goes down the throat or the other way and looks through the digestive tract and the throat cavity.
⇒ 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.
the person wouldnt have proper grammar or grade level responsivness may find a specia way of dealing with things
