The lacunae of bone contain __ chondroblasts. bone marrow. osteons. blood cells. osteocytes.

## Step 1<br />The lacunae of bone are small spaces within the bone matrix that house bone cells. These cells are known as osteocytes. <br /><br />## Step 2<br />Chondroblasts are cells that produce cartilage, not bone. Therefore, they are not found in the lacunae of bone.<br /><br />## Step 3<br />Bone marrow is the soft, spongy tissue found in the center of bones. It is not contained within the lacunae of bone.<br /><br />## Step 4<br />Osteons, also known as Haversian systems, are the structural units of compact bone. They are not contained within the lacunae of bone.<br /><br />## Step 5<br />Blood cells are found in the blood vessels of the bone, not in the lacunae of bone.