Circulatory Crossword

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Across
  1. 2. The pulsation of the heart
  2. 5. A substance in our blood that comes from the digestive system
  3. 6. Cells that come in red or white variations
  4. 7. The amount of time the heart beats per minute
  5. 8. An important gas in our blood
  6. 11. Carries blood away from the heart
Down
  1. 1. A tube for blood to flow through
  2. 3. A viscous red substance that contains plasma
  3. 4. The system responsible for delivering nutrients to all parts of the body.
  4. 9. A muscle about the size of our palm that pumps blood to all parts of our body
  5. 10. A bone that protects the heart and other organs from damage