Which statement about the structural makeup of long bones in adults is true? A the shafts or diaphyses are solid cylinders of compact bone; the only cavities in long bones

Which statement about the structural makeup of long bones in adults is true? A the shafts or diaphyses are solid cylinders of compact bone; the only cavities in long bones are in the epiphyses B the diaphyses (shafts) are hollow and filled with adipose tissue; the cores of the epiphyses contain spongy bone C both the diaphysis and the epiphyses are contain large hollow cavities filled with red bone marrow D the cores of the diaphyses (shafts) are made of spongy bone; the cores of the epiphyses are made entirely of compact bone