If a person has tachycardia and bluish tongue, most probably he is in:

Biology · NEET · NTA ExamsBreathing and Exchange of Gases

If a person has tachycardia and bluish tongue, most probably he is in:

  1. an aeroplane at high altitude
  2. summit of a high mountain
  3. moving in a high speed train
  4. moving up in a lift of a skyscraper

Answer

(B) summit of a high mountain

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