structure of heart

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Across
  1. 3. valve present between right auricle and ventricle.
  2. 6. ----is the antibody present in the blood group A.
  3. 9. prevents backflow of the blood.
  4. 11. instrument used to measure heartbeat.
  5. 12. membrane of the heart.
  6. 13. valve present in the mouth of the aorta.
  7. 15. blood component that carries oxygen in the blood
Down
  1. 1. muscular structure present between right and left side of the heart.
  2. 2. largest blood vessel of the heart.
  3. 4. carries pure blood to the heart.
  4. 5. liquid part of the blood.
  5. 7. ----is the first chamber of the heart to receive pure blood.
  6. 8. instrument used to measure blood pressure.
  7. 10. blood vessel having thickest walls.
  8. 14. organ for the purification of the blood.