Right 11. Osteoporosis is a common disorder caused by the thinning and weakening of the bones usually experienced by elderly people.
Right 12. Rickets is a condition is condition of the bone caused by a deficiency in vitamin D usually observed in children
Wrong 13 Arthritis is a common disorder caused by a virus that attacks the nerve cells of the brain and spinal cord resulting to paralysis
Wrong 14. Polio is a common disorder in the joint that characterized by of the spine