Across
- 2. helps you run and think property
- 4. open and close to allow blood flow
- 6. flow helps blood through body
- 8. big organ of the body
- 9. takes away nutrients from the body
- 10. largest internal organ
Down
- 1. connect two parts of the main system
- 3. carries blood from the heart to the body
- 5. help's you breathe
- 7. blood straws