how does the lungs control your voice?
 The lungs control your voice by control of diagram. As you inhale, the diaphragm muscle contracts causing the lungs to expand and air to be drawn into the lungs. As you exhale, the diaphragm will relax and move upward reducing the size of the lungs and causing air to be expelled from the lungs. Inhaling and exhaling by such a way powers your voice. 