Bones

Bone serves many important functions. Bones support the body, protect underlying organs, and provide a movable skeleton against which the muscles can work. In addition, bone forms all the cells of the blood, plus takes part in calcium and acid-base balance, and storage of trace elements (such as zinc) needed by cells elsewhere. bone as the most lasting parts of the body, bones are traditionally used for ‘mortal remains’. The longest bone is the femur (thigh bone), which accounts for a quarter of one's stature; the smallest bone is the stapes — one of the tiny ossicles in the middle ear which transmits the vibrations from the ear drum to the inner ear. There are over 200 bones in the adult skeleton. They can be divided into two principal types: the long bones such as the femur, tibia, and humerus, which develop principally from within a cartilaginous framework, and the flat bones such as the skull, bones of the pelvis, and scapula, which develop within membranes of fibrous tissue.

Polio

Poliomyelitis is a viral disease that can affect nerves and can lead to partial or full paralysis. Poliomyelitis is a disease caused by infection with the poliovirus. The virus spreads by:

1. Direct person-to-person contact
2. Contact with infected mucus or phlegm from the nose or mouth
3. Contact with infected feces