Cardiovascular, Respiratory, and Lymphatic Systems Crossword

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Across
  1. 4. humans breathe in — OXYGEN
  2. 6. that filters blood and supports immunity — SPLEEN
  3. 7. that helps breathing — DIAPHRAGM
  4. 10. box — LARYNX
  5. 11. from trachea into lungs — BRONCHI
  6. 12. air sacs where gas exchange occurs — ALVEOLI
  7. 14. blood cells important in immunity — LYMPHOCYTES
  8. 15. of heart that handles oxygen-poor blood — RIGHT
  9. 16. vessel carrying blood back to the heart from the body — VENA CAVA
Down
  1. 1. job of capillaries is exchange of gases, nutrients, and ___ — WASTES
  2. 2. artery in the body — AORTA
  3. 3. that filter lymph — LYMPH NODES
  4. 5. blood from flowing backward in the heart — VALVES
  5. 7. function of red blood cells is to carry this — OXYGEN
  6. 8. of the heart that pumps oxygenated blood to the body — LEFT VENTRICLE
  7. 9. removed when exhaling — CARBON DIOXIDE
  8. 11. vessel that carries blood away from the heart — ARTERY
  9. 13. that moves through lymphatic vessels — LYMPH