1. Skull: The female is lighter in weight.

2. Shoulders: They are relatively narrow are broad in males.

3. Sacrum: The female sacrum is shorter and wider.

4. Pelvis: The female pelvis is lighter and broader.


5. Pelvic Cavity: The female pelvic cavity is wider in diameter because it has to accommodate the growing foetus during pregnancy.

6. Coccyx: The female coccyx is more movable than the male coccyx.