Cells, Tissues, Organs, and Systems

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Across
  1. 3. a single-cell organism
  2. 6. tiny openings in the epidermis
  3. 9. a thin covering that holds the cell together
  4. 12. the second layer of the skin
  5. 13. special parts in the dermis that make sweat
  6. 14. the coloring in your skin
  7. 16. the top layer of the skin
  8. 17. the jelly-like liquid that surrounds the nucleus
  9. 18. the smallest living part of an organism
  10. 20. a group of cells all doing the same kind of work
Down
  1. 1. thin tubes that carry blood around your body
  2. 2. where each strand of hair starts in the dermis
  3. 4. a living thing
  4. 5. the control center of a cell
  5. 7. a gland found at the base of each hair in the skin that releases oil to protect the body
  6. 8. the tiny pathways that carry messages between the brain and other parts of the body
  7. 10. a group of tissues working together to do a job
  8. 11. the prints made by the ridges on your fingertips
  9. 15. a tool used to see things that are very small
  10. 17. a stiff layer on the outside of the cell membrane
  11. 19. a group of organs working together to do a job