The correct answer is Jaw.Important PointsThe strongest muscle (based on its weight) of the body is the masseter muscle which is located in the jaw.The muscle masseter is a facial muscle that plays a major role in the chewing of solid foods.It is a facial muscle that plays a major role in the chewing of solid foods.The muscle has a parallelogram-like shape, binding to the mandible (lower jawbone) and the cheekbone.The muscle's function during the entire muscle's bilateral contraction is to lift the mandible and raise the lower jaw.The elevation of the mandible happens when the jaws are closed.The masseter muscle is the most evident muscle of mastication since it is the most superficial and one of the strongest.