Circulatory System Crossword

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Across
  1. 4. What's the force of blood against artery walls?
  2. 6. Receives blood coming into the heart
  3. 8. What organ in the body pumps blood into your body when it beats?
  4. 9. when molecules move from being in a highly concentrated spot to a less concentrated spot
  5. 10. Who invented the heart?
  6. 12. Where does oxygen enter the blood?
  7. 13. Vessel that exchanges substances between body and blood cells
  8. 14. force exerted over a certain area
  9. 15. What pulmonary pushes blood to the lungs?
  10. 18. What system are the heart, blood, and vessels apart of?
  11. 19. What blood vessel carries blood into the rest of your body?
  12. 20. A type of blood vessel
Down
  1. 1. True or false? White blood cells fight diseases.
  2. 2. the liquid transported into your circulatory system
  3. 3. After the blood goes through the second valve where does it go?
  4. 5. Tool used to measure blood pressure
  5. 7. What arteries carry blood to the heart?
  6. 11. Caused by expansion and relaxation of the arteries
  7. 15. What regulates the beating of the heart?
  8. 16. Part of the circulatory system that prevents blood from flowing backwards?
  9. 17. The lower chamber that pumps blood out of the heart