Across
- 2. the system that filters blood and removes waste
- 7. the system that takes in oxygen
- 10. the type of tissue that is voluntary
- 12. the type of tissue only found around the heart
- 15. multiple cells that work together to perform a specific function
- 16. many tissues working together to perform a specific function
Down
- 1. the system that sends messages to/ from the brain
- 3. the system that circulates oxygen throughout the body
- 4. the system that allows us to move (voluntarily or involuntarily)
- 5. the tube that attaches our mouth to our stomach
- 6. the system that breaks down food and absorbs nutrients
- 8. the organ that contracts to break down food more
- 9. the organ stores urine
- 11. the organ that filters blood
- 13. the smallest level of organization
- 14. the organ that fills up with oxygen when we breathe