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 diagram above illustrates a part of the human…The type of joint between adjacent bones in the part…In which of the following atoms is the ionic radius…If a spherical metal bob of radius 3cm is fully…The bones of the legs of a six years old boy are…