Across
- 5. A group of organs that work together to help us do certain things
- 7. Tiny grape like sacks where the exchange of oxygen and CO2 happens
- 9. A group of tissue that perform the same job
- 11. A group of cells that have the same job
- 13. Absorbs nutrients in the food we eat
- 14. Responsible for removing waste
- 15. Little filters inside the kidney
Down
- 1. Muscular organs that are responsible for breathing
- 2. Moves blood with nutrients throughout the body
- 3. Aka: the windpipe
- 4. Smallest unit of life
- 6. A dome shaped muscle that helps with breathing
- 8. Responsible for breathing
- 10. Where urine is stored
- 12. Filters out nutrients and creates urine