The Circulatory System

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Across
  1. 4. These are the larger of the blood cells
  2. 5. The ___ side of your heart pumps blood out to your lungs.
  3. 8. These are the largest blood vessels
  4. 9. The ___ system pumps blood throughout your body
  5. 11. This only lets blood flow in one direction in your heart.
  6. 14. these are the smallest blood vessels
  7. 15. The three parts of the circulatory system are the heart, blood, and ___ ____
  8. 16. Red blood cells are made in the ____ ____
  9. 17. Waste made by your body cells is called ___ ____
Down
  1. 1. The __ side of your heart works harder
  2. 2. bring blood back to your heart
  3. 3. The blood pushing against the walls of your blood vessels is called _____ ______
  4. 6. This acts like a pump in your body
  5. 7. The __ side of your heart pumps blood to the rest of your body
  6. 10. Your heart has 4 ______
  7. 12. The ¨liquid"part of blood is called _____
  8. 13. Blood that is red on a diagram has more ___
  9. 15. Blood that does not have a lot of oxygen is colored in ___ on diagrams