Human Circulation System a

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Across
  1. 1. Dioxide What you blow out when you breathe.
  2. 3. The food you eat every day.
  3. 8. A starting room in your heart.
  4. 11. Like playing, running, or jumping.
  5. 13. Vessel Tiny roads for blood.
  6. 14. The sound your heart makes.
  7. 15. Another word for breathing.
  8. 16. Tiny pieces that make you, you!
  9. 18. What you take in when you breathe.
  10. 19. A pumping room in your heart.
  11. 20. The watery part of your blood.
Down
  1. 1. System How our blood goes around and around.
  2. 2. Blood Little parts in blood that help us stay well.
  3. 4. System Helps us breathe air.
  4. 5. Feeling your heart's beat.
  5. 6. In and out with your nose or mouth.
  6. 7. A big tube for blood in the heart.
  7. 9. The thing in our chest that beats and loves.
  8. 10. The red stuff that moves inside of us.
  9. 12. Blood Cells Little helpers in our blood that fight germs.
  10. 16. Blood moving in our body.
  11. 17. Feeling good and not being sick.