Science crossword puzzle
Across
- 4. works with the muscular system
- 6. the hardest working organ in your body
- 9. a website that helps you understand science
- 10. part of the respiratory system and digestive system
- 12. breaks down food chemically
- 15. a harmful device
- 17. in charge of your breathing
- 18. what you breathe in
- 19. blood with no oxygen travels through this passage
- 20. what you breathe out
Down
- 1. gives oxygen to your blood
- 2. what makes up a plant and other living things
- 3. works with the skeletal system
- 5. a tube where food comes down
- 7. inside cells
- 8. blood with oxygen travels through this passage
- 11. helps digest food
- 13. Google slides that ask questions about the topic we are working on
- 14. a body system that includes the brain and spinal cord
- 16. what makes up the skeletal system