FACTS ABOUT XREADU.COM REVEALED

X-ray beams go through the human body. These beams are absorbed in several amounts based on the density of the material they pass through. Dense materials, like bone and metal, present up as white on X-rays. The air inside the lungs shows up as black. Fats and muscle surface as shades of grey.Ok, it is a extend, but you can find thematic and litera