Blood & Blood Vessels

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Across
  1. 5. weakening of the heart muscle
  2. 6. carry oxygen from the lungs to cells
  3. 7. blood picks up
  4. 9. the largest vein
  5. 13. the biggest artery
  6. 14. irregularities in heart beat
  7. 15. cancer of the blood
Down
  1. 1. connective tissue made up of blood cells and plasma
  2. 2. dioxide blood picks up
  3. 3. make up 45% of blood volume
  4. 4. where gasses and nutrients are exchanged
  5. 7. protects the body against diseases
  6. 8. inflammation of outer membrane covering the heart
  7. 10. yellow liquid
  8. 11. blood picks up
  9. 12. low rbc count