heart
Across
- 3. absent
- 5. common
- 7. hereditary
- 10. present
- 11. blood
- 12. individual
- 13. type
- 15. negative
- 17. rare
- 18. system
Down
- 1. vessel
- 2. antigens
- 3. antibodies
- 4. group
- 6. cardiovascular
- 8. positive
- 9. cells
- 13. trait
- 14. phenotype
- 16. transfusion