Circulatory System Crossword

12345678910111213141516171819202122232425
Across
  1. 3. I help fight infection
  2. 5. the organ repsonsible for pumping blood around the body
  3. 9. I carry blood away from the heart
  4. 10. the route that goes to and from the body
  5. 12. I am one cell thick and allow for the exchange of gases
  6. 15. when you are sick you usually have a high temperature
  7. 19. this artery leaves the heart with blood under high pressure
  8. 21. is used to squeeze the blood out of the heart
  9. 23. I am the valve that closes after blood reaches the aorta
  10. 24. this chamber has a thick layer of muscle on the outside of the heart to be able to pump blood to the body
  11. 25. the route that goes to and from the lungs
Down
  1. 1. lower chamber of the heart carrying deoxygenated blood
  2. 2. I am the valve that closes after the blood reaches the pulmonary artery
  3. 4. When hemoglobin combines with oxygen
  4. 6. I give blood its pigment
  5. 7. I carry blood to the heart
  6. 8. you feel your arteries to measure this
  7. 11. the circulatory system works together with this system
  8. 13. I am the valve between the left atrium and left ventricle
  9. 14. I transport oxygen
  10. 16. the process that allows gas exchange
  11. 17. I help form clots
  12. 18. I am located at the entrance to the heart and I carry deoxygenated blood from the body to the heart
  13. 20. I am the valve between the right atrium and right ventricle
  14. 22. the colourless part of blood