41. Adult worms occur in small air passages ( bronchioles, bronchioli ) and in the alveoli, even in the subpleural tissue. 42. And still, " the kids will be six deep " waiting to use special machines that open their air passages . 43. Ruth suffered from a rare cancer, naso-pharyngeal, that arose in the air passages in the back of his nose and mouth. 44. The new reconstruction by Prieto-M�rquez and Wagner also led to a new hypothesis about the internal air passages of the crest. 45. Asthma, the obstruction of the air passages caused by muscle contraction, can be worsened by allergies to one or more substances. 46. The tunnel has no blast relief ducts, due to its lack of curves and relatively short length, allowing good air passage . 47. That generates molecular action _ as in a microwave _ that causes heat and shrinks the tissues obstructing the air passage . 48. The American Academy of Pediatrics has estimated that 200 children in New York State die each year from obstructed air passages . 49. On direct air-cooled engines this is not a concern for the bellows thermostat that controls a flap valve in the air passages . 50. And he is more energetic, thanks to a machine that keeps his air passage open while he is sleeping . _ _ _=
