The correct option is A tongue
Someskeletal musclesdonot attach to bonesat both ends but still produce movement. For example, the muscles of thetongue. The tongue is composed of skeletal muscle fibers.The inferior surface of the tongue is connected to the floor of the mouth by a median fold of mucous membrane, the frenulum. Biceps and triceps are attached to the arm bones by tough connective tissues called tendons.