world 1

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Across
  1. 2. Opening for eating and speaking
  2. 5. Series of vertebrae in the back
  3. 7. Voice box in throat
  4. 10. First digit of the hand
  5. 12. Organ that detoxifies the blood
  6. 14. Bone protecting chest cavity
  7. 17. Shin bone in the leg
  8. 18. Hard covering on fingers
  9. 20. Opening of the nose
  10. 23. Organ for smelling
  11. 26. Opening in the center of eye
  12. 29. Transparent part covering eye
  13. 30. Joint connecting foot and leg
  14. 31. Organ for hearing
  15. 33. Vessel carrying blood from heart
  16. 34. Joint between upper and lower arm
Down
  1. 1. Body’s outer protective layer
  2. 3. Windpipe connecting throat to lungs
  3. 4. Thigh bone and longest in body
  4. 6. Outer bone of forearm
  5. 8. Skin covering the skull
  6. 9. Blood vessel carrying blood to heart
  7. 11. Control center of the body
  8. 13. Colored part of the eye
  9. 15. Inner bone of the forearm
  10. 16. Joint between thigh and lower leg
  11. 19. Organ that pumps blood
  12. 21. Muscular organ in mouth
  13. 22. Hard structure in the mouth
  14. 24. Organ for seeing
  15. 25. Bony structure protecting the brain
  16. 27. Lower part of the torso
  17. 28. Organ for breathing air
  18. 32. Bony structure forming the mouth