author - "J. H. Kellogg"
The skeleton is made up of many different parts, each of which is called a bone.3. The bones are covered by the flesh. 4. The bones of the head form the skull, which is hollow and contains the brain. 5. A row of bones arranged in the back, one above another, forms the backbone. The backbone has a canal running through it lengthwise, in which lies the spinal cord. 6. The trunk is hollow, and has two chambers, one called the cavity of the chest, and the other the cavity of the abdomen. 7. The
The skeleton is made up of many different parts, each of which is called a bone.3. The bones are covered by the flesh. 4. The bones of the head form the skull, which is hollow and contains the brain. 5. A row of bones arranged in the back, one above another, forms the backbone. The backbone has a canal running through it lengthwise, in which lies the spinal cord. 6. The trunk is hollow, and has two chambers, one called the cavity of the chest, and the other the cavity of the abdomen. 7. The