Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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Across: 1. vomiting up blood 4. passageway to respiratory & digestive system 5. caused by the Epstein-Barr virus 6. voice box 8. most likely chest wall muscle to incur 3rd degree strain 9. results from bleeding accumulating inside pericardial sac 10. imperfect digestion 11. lines pleural cavity and adheres to internal surface of ribs, superior surface of diaphragm 14. results in tracheal deviation, tachycardia, distended neck veins, cyanosis, dyspnea 15. listening for sounds produced in thoracic & abdominal cavity 16. results when several ribs are fractured in at least 2 places 17. detects possibility of peritoneal irritation 18. characterized by air accumulation in pleural space

Down: 2. caused when thorax becomes larger 3. usually defined in adults as a heart rate over 100 bpm 5. indicated by Levine's sign 7. sign of kidney injury 12. abnormal slowness of heart action 13. results from blood collecting in the pleural cavity