Respiratory and Circulatory System

12345678910111213141516171819
Across
  1. 4. Side of the heart that is carrying deoxygenated blood
  2. 8. Muscular organ involved in the pumping of blood
  3. 10. Gas that is exhaled
  4. 12. Gas that is inhaled
  5. 14. Air sacs involved in gas exchange between the lungs and the blood
  6. 16. Small blood vessels that connect veins and arteries
  7. 17. Small pieces of cells that help in clotting
  8. 19. Blood vessel that takes blood AWAY from the heart
Down
  1. 1. Branching at the end of the trachea
  2. 2. Liquid part of blood
  3. 3. Molecule in red blood cells that binds with oxygen molecules
  4. 5. Muscular flap the separates air/trachea from food/esophagus
  5. 6. Type of blood cell involved in immunity
  6. 7. Type of blood cell that contains hemoglobin
  7. 9. Small branching within the lungs
  8. 11. Blood vessel that takes blood TOWARDS the heart
  9. 13. Side of the heart that is carrying oxygenated blood
  10. 15. "Voicebox"
  11. 18. "Windpipe"