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