Radius and ulna are bones of the? by Sunday | Dec 22 | Biology WAEC | 0 comments A. pectoral girdle B. upper arm C. pelvic girdle D. lower arm Correct Answer: Option D – lower arm Users Also Read These:The distance between a concave mirror and an object…The bones of the legs of a six years old boy are…Which of the following will ease the friction…The diagram above illustrates a part of the human…If a spherical metal bob of radius 3cm is fully…