Levels of Organization

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Across
  1. 3. a group of two or more organs working together
  2. 5. the largest organ in the human body
  3. 7. the number of organ systems in the human body
  4. 9. the most abundant cells in the human body
  5. 10. the basic units of structure and function in living things
  6. 12. the most common cell found in the nervous system
  7. 14. the number of vital organs in the human body
  8. 15. the type of tissue that lines your organs
Down
  1. 1. a group of similar cells working together
  2. 2. a group of similar tissues working together
  3. 4. an organism made up of many cells
  4. 6. the major organ of the circulatory system
  5. 8. the organ system containing all of bones in the human body
  6. 11. the organ system that contains the mouth, stomach, and small and large intestines
  7. 13. an entire living thing