Across
- 2. what is a heart?
- 5. an adjective connected with blood
- 7. average amount of litres of blood that flows through heart per minute
- 8. what is the color of heart?
- 9. example of an organism that doesn't have a heart
- 12. an adjective connected with blood
Down
- 1. what does a heart do with blood?
- 3. how many chambers has a heart?
- 4. can we transplant a heart?
- 5. a serious medical emergency connected with heart?
- 6. what flows through heart?
- 10. what has a heart?
- 11. is heart needed by human organism to live?
- 13. how many hearts does a human have.