Body systems

2. Tiny sacs of lung tissue specialized for the movement of gases between air and blood
5. Tube that leads into the lungs
7. liquid part of the blood
8. A group of cells that perform the same task
10. lower chamber of the heart
13. where water is absorbed
14. Filters blood

1. tiny finger-like structures that cover the inner surface of the large intestine
2. Upper chamber of the heart
3. System that removes cellular waste from the body
4. Allows air to pass to and from the lungs
6. stores urine
9. A cell fragment that is important in the making of scabs
11. the basic unit of life
12. In the kidney, a little filter that blood goes through