Both the human sacrum and sternum are distinctly different from those of other mammals.

Question

Quizplus · Accepted Answer

Both the human sacrum and sternum have uniquely evolved structures compared to those in other mammals. The sacrum is a fusion of several vertebrae that supports the weight of the upper body and connects the pelvic bones, while the sternum (breastbone) is flat and elongated to support the attachment of the ribs and aid in breathing.

Both the Human Sacrum and Sternum Are Distinctly Different from Those