Which of the following is a characteristic of bone?

A) The bone matrix is very dense and contains deposits of calcium salts.
B) The matrix of the bone contains osteoclasts and chondroblasts.
C) Narrow channels pass through the matrix to allow for muscle attachment.
D) The matrix of bone is mostly collagen with very little calcium.
E) For strength, compact bone is organized into a meshwork of matrix called trabeculae.