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:Muscles are attached to bones by means of?The bones labelled II are called?Which of the following will ease the friction…If a spherical metal bob of radius 3cm is fully…The distance between a concave mirror and an object…