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Disorders of respiratory system

  • Decompression Sickness (Bends or Caisson Disease or Diver’s Paralysis); if a diver is beneath the sea for a long period. Rapid ascent from underwater causes decompression sickness. Underwaterthe barometric pressure is high so that large amount of gases especially nitrogen has dissolved in his body and when he suddenly comes back to the surface of the sea, the gas tends to escape. Significant amount of nitrogen bubbles are formed in his body fluids. These bubbles can cause minor or serious damage. The symptoms of decompression sickness are pain in legs or arms, dizziness, paralysis, shortness of breath, extreme… (278 more words) …

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Understanding the respiratory tract

Respiratory tract includes the following parts

Upper respiratory tract it includes the respiratory passage from nostrils up to the vocal cords.

Lower respiratory tract it includes the respiratory passage below the vocal cords

Diagram of the lower respiratory tract

Diagram of the Lower Respiratory Tract

Knowing the lower respiratory tract

  • Nostrils (external nares). Holes of the nose are called nostrils. These are a pair of slits that open in the nasal cavity.

  • Nasal cavity. Is divided into two nasal chambers by the nasal septum. Each nasal chamber can be differentiated into following three regions;

    1. Vestibular Region. The nostrils open into it. It is small… (1405 more words) …

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