to produce money or information unwillingly:
Coughing up blood
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Coughing up blood from the respiratory tract is called hemoptysis. The amount of blood produced can vary from a few streaks of blood mixed with normal sputum to large amounts of pure blood. Other symptoms, such as fever and difficulty breathing, may be present, depending on the cause of hemoptysis.
Coughing up blood meaning & definition 1 of Coughing up blood.
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