11

12345678910111213141516171819202122232425
Across
  1. 4. Organ for breathing
  2. 5. Major vein in the neck
  3. 7. Belly area
  4. 9. Heart valve, also called bicuspid
  5. 10. Side of face
  6. 12. Windpipe
  7. 14. Gluteal muscle
  8. 17. Voice box
  9. 18. Rear torso
  10. 20. Front lower leg
  11. 22. Flap covering the windpipe
  12. 23. Airway passage in the lung
  13. 25. Hip crease
Down
  1. 1. Wall dividing heart chambers
  2. 2. Tiny air sacs in the lungs
  3. 3. Sac surrounding the heart
  4. 6. Belly button
  5. 8. The throat
  6. 11. Connects head
  7. 13. Tiny hairs in the airways
  8. 15. Artery supplying the heart muscle
  9. 16. Major artery in the neck
  10. 19. Upper torso
  11. 21. Life-sustaining fluid
  12. 24. Lower face