Across
- 2. What is the windpipe that carries air to the lungs called?
- 4. What type of blood cells carry oxygen?
- 7. What muscle under the lungs helps with breathing?
- 8. What system transports blood around the body?
- 13. What system removes waste products from the body?
- 15. What system supports the body and protects organs?
Down
- 1. What organ pumps blood through the body?
- 3. What organ stores urine before it is expelled from the body?
- 5. What system is responsible for breaking down food?
- 6. In which part of the digestive system does most digestion take place?
- 9. What organ filters blood to produce urine?
- 10. What organs help you breathe?
- 11. What flap prevents food from entering the windpipe?
- 12. What system controls body functions using electrical signals?
- 14. What is the basic unit of life?