crossword

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Across
  1. 2. The valve located between the right ventricle and the pulmonar artery
  2. 4. strongest chamber and pumps blood to body
  3. 9. between right atrium and ventricle
  4. 10. the valve situated between the left atrium and left ventricle
  5. 12. thin smooth inner lining
  6. 13. muscular wall that divides the sides of heart
  7. 15. The valve located between the left ventricle and the aorta
Down
  1. 1. smallest blood vessels
  2. 3. oxygenated blood to lungs
  3. 5. heart that receives oxygenated blood
  4. 6. responsible for transporting blood oxygen and nutrients
  5. 7. thick muscular middle layer of heart
  6. 8. blood vessels that carry blood away
  7. 11. blood vessels that carry blood back
  8. 14. surrounds and protects the heart