What does the air tube do on a grasshopper?

Insects, and some other invertebrates, exchange oxygen and carbon dioxide between their tissues and the air by a system of air-filled tubes called tracheae. Tracheae open to the outside through small holes called spiracles. In thegrasshopper, the first and third segments of the thorax have a spiracle on each side.

Long face syndrome is a term describing the longer, narrow face of children who suffer from uncontrolled allergies or, an obstruction of the upper airway which creates an inability to breathe through the nose, reports an article in the July/August 2004 issue of General Dentistry, the Academy of General Dentistry's .