Body Systems

5. system where the heart pumps blood through your blood vessels
7. upper chamber of a heart
9. disease where the alveoli have been damaged
11. system that gets rid of bacteria and viruses
14. tissue thatjoins, supports, protects, and cushions organs
15. process where a body gets oxygen and gets rid of carbon dioxide
16. lower chamber of a heart
18. system that delivers oxygen in your blood to all the parts of the body
19. outermost layer of tooth, hardest material in body
20. system that breaks down food into nutrients that can be absorbed into your body

1. tissue that sends electrical signals through the body
2. tissue that is made of cells that contract and relax to produce movement
3. a collection of tissues that work together
4. your body goes through to keep a stable environment?
5. part of brain that controls balance
6. soupy mixture after digestion
8. part of brain that controls involuntary operations such as breathing, heart rate, and body temperature
10. hormone released due to water shortage in body
12. tissue that covers and protects underlying tissue
13. largest organ in the body, makes bile, filters blood
17. process of removing wastes and excess water