Cyanosis is a condition in which the skin appears bluish because of a lack of oxygen in the blood. Oxygen rich blood is red, while blood depleted of oxygen appears blue. When such oxygen poor blood circulates through the body, the skin also appears blue.

See Also

  1. Lung & Airway Disorders
  2. Kingfisher County and Major County, Oklahoma: Overview
  3. Nitrate Exposure: Overview
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