Across
- 1. They stop the blood from going the wrong way
- 4. They help us stand up
- 6. Another name for the windpipe
- 7. The heart has 4...
- 9. Blood that lacks oxygen is...
- 10. We have two inside our body
- 12. Carries blood back to the heart
- 13. Is located under the lungs
- 16. There are 2 in the left lung and 3 in the right
- 18. The system that contains the bladder and kidney
- 20. Clean out the blood and are apart of the urinary system
Down
- 2. The part of the digestive system that food can spend 4 hour in
- 3. We have many ______ such as the digestive.
- 5. Help the blood to clot
- 7. Our body is made up of...
- 8. The smallest blood vessel
- 11. Located in the mouth
- 14. Small part of the lungs contains oxygen and carbon dioxide
- 15. The main part of the circulatory system
- 17. Cleans out the food we eat
- 19. Protects the lungs and heart