Diaphragm is a thin skeletal muscle in body related to: A) Digestion system B) Respiratory System C) Nervous System D) None of these Related MCQs: The Vessel that carries blood from the heart to the rest part of the body, which is built to withstand considerable pressure, having thick walls with smooth muscle fibers is known as? Diphtheria is a disease related to The thin black cross-shaped pointer in MS Excel is used to: The ability of metals to be drawn into thin wire is known as?