Question: Female skeletons generally a) are indistinguishable from those of males. b) contain bones that have less mass than the bones of males. c) have more ribs than males. d) contain articulations between the ulna and humerus that causes the lower arm to project laterally from the line of the humerus. e) contain acetabulae on the os coxae that are situated in such a way that the femurs hang at a lateral angle from the hips to the knees.