71.   The bug can infect the respiratory tract, sinuses or ears.

72.   These include strains that infect surgical wounds, the urinary tract and the respiratory tract and which cause pneumonia, the sixth leading killer of elderly Americans.

73.   Contact with sodium cyanide burns the skin, eyes and respiratory tract and affects the blood, cardiovascular system, central nervous system and thyroid.

74.   Fat forming around the throat constricts the respiratory tract, causing breathing difficulties and reducing the amount of oxygen reaching the brain.

75.   Overweight children could also suffer from respiratory problems because the fat around the respiratory tract hinders normal breathing.

76.   Probosutejo added that the president was scheduled to undergo a check on his respiratory tract on Thursday because of a cough.

77.   The bacillus appears to enter the body in most cases through the respiratory tract and, to a lesser extent, through the skin.