Across
- 4. heart usually has right and left?
- 6. which blood circulation is considered large?
- 8. what is heart?
- 9. which blood circulation is considered small ?
- 10. where is heart located in the circulation system ?
Down
- 1. which liquid is heart pumping
- 2. what blood caries away?
- 3. heart of which vertebrae is the least advanced ?
- 5. which heart is considered the most advanced?
- 7. what except nutrients does blood send around body?