MEDICAL ENCYCLOPEDIA. 1  Back pain - returning to work. 2  Back pain and sports. 3  Compression fractures of the back. 4  Lifting and bending the right way. 5  Lumbosacral spine x-ray. 6  Returning to sports after a back injury. 7  Spinal fusion. 8  Spinal fusion - slideshow. 9  Vertebroplasty - slideshow.
The mucociliary escalator is one of the major defense mechanisms, which protect the lung, and if the mucociliary escalator fails, it increases the risk that the normal and potentially pathogenic, inhabitants of the nose, throat and the back of the mouth, will descend into the lung, resulting in a potentially life-threatening pneumonia ( Anatomy and Physiology, 2013, p. 139).
You want a variable-speed pump. The main purpose of a pool pump is to circulate water from the swimming pool through a filter. In addition, a pool pump is sometimes used to circulate water through an artificial waterfall or other so-called âfeatures.â. RELATED ARTICLES.