The Human Body

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Across
  1. 3. The thinnest skin on the body is found here.
  2. 6. Muscle cells contain these.
  3. 7. A roadmap for cells.
  4. 9. The basic unit of life.
  5. 11. Genes are made of this.
  6. 13. Pigment in the skin.
  7. 16. A group of tissues that perform certain jobs in the body.
  8. 18. Product of the skin in the ears.
  9. 19. The gel-like substance within a cell.
  10. 21. Chemicals that help break down food into tiny pieces.
  11. 22. The thickest skin on the body is found here.
  12. 23. Allows oxygen to pass into the blood.
  13. 24. It takes 2000 of these to make a wrinkle.
Down
  1. 1. An inflammation of the air sacs in the lungs.
  2. 2. The top layer of skin.
  3. 4. The flap that allows food to go down to the stomach.
  4. 5. Makes blood red.
  5. 8. The largest organ in the human body.
  6. 9. Keeps mucus and dirt out of the lungs.
  7. 10. The protective layer around the lungs.
  8. 12. A disorder caused by narrowing of the bronchial tubes.
  9. 14. The windpipe
  10. 15. To breathe out.
  11. 17. The process by which things pass in and out of a cell.
  12. 20. A unique part of the skin that never changes.