Across
- 2. a collection of tissue that perform a function
- 3. upper chamber of heart
- 5. exchanges oxygen and carbon dioxide from blood
- 6. liquid part of blood
- 7. lower part of the heart
- 8. a group of organs that do a specific function
- 11. allows air to pass to and from lungs
- 13. the passage that takes air into the lungs
- 14. airways that lead from bronchi to alveoli
- 15. the basic unit of all living things
Down
- 1. large fat muscle at the bottom of the chest
- 4. A part of forming scabs
- 9. tiny sacs that move gasses between air and blood
- 10. a filter in the kidney that blood goes through
- 12. a group of cells that perform the same function