Classify each of the bones in the chart below as either long, short, flat, or irregular by placing a check mark in the appropriate column. Also use a check mark to indicate whether the bone is a part of the axial or the appendicular skeleton. Use Figure 8.1 as a guide. Axial Appendicular Short Flat Irregular skeleton skeleton Long Sternum Radius Parietal bone (cranial bone) Phalanx (single bone of a digit) Vertebra