Bone Structure

As a young man, I have had many collisions in life. Whether it was from sports or from an auto accident, I have been very lucky to not receive any broken bones. When I was in a serious automobile accident last year and walked away unharmed, I wondered how my body was able to withstand all that force, while my car was half its size. I learned that the bone is a very strong material that makes me function. My bones form a skeleton that provide the framework of my body. There are long, short, flat, and tiny bones found throughout my body. Some bones such as the ribs protect my organs from damage. The spinal vertebrae keep me upright while I am standing or sitting down. A bone is made up of two parts, compact part and spongy part. The compact area is what accounts for the strength of my bones, because it is dense, it is found on the perimeter of the bone. The spongy part of the bone is full of holes and is found on the inside of the bone. This makes the bone lightweight. The holes are like tunnels, which provide nutrients a passage for waste products. Collagen, a protein, gives bones