Circulatory crossword

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Across
  1. 2. blood is ______ in oxygen when blood flows through from our heart to lower parts of our body
  2. 7. blood is ______ in carbon dioxide when blood flows through from lower parts of the body to heart
  3. 8. the ________ system carries digested food, water and oxygen to all parts of the body
  4. 9. the number of times we breath per minute
  5. 10. the tube that contains blood
Down
  1. 1. pumps blood to all parts of our body
  2. 3. the number of times the heart beats per minute
  3. 4. transports carbon dioxide and waste materials away from our body
  4. 5. our breathing ______ when we exercise
  5. 6. our heart rate ______ when we exercise