Heart attack

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Across
  1. 3. To fall down suddenly.
  2. 4. Convulsive catching of breath.
  3. 7. Drug or other form of medicine that is used to treat or prevent disease.
Down
  1. 1. Action or state of being squished down.
  2. 2. "Blood..." gelatinous mass of fibrin and blood cells formed by the coagulation of blood.
  3. 5. The passage by which air reaches a person's. lungs.
  4. 6. What you need to ask for person, who is having heart attack, to do with aspirin tablet?