Circulatory and Respiratory System

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Across
  1. 3. Delivers oxygen to the cells in your body
  2. 4. Protects your airways from harmful substances and irritants
  3. 5. the most important part of the circulatory system
  4. 8. where the blood gathers food nutrients and delivers them to every cell in the circulatory system
  5. 9. Tube that delivers air from your mouth and nose to the trachea in the respiratory system
  6. 11. organ that passes oxygen and food nutrients to the cells in the circulatory system
  7. 12. Warms air to match your body temperature and moisturizes it to the humidity level your body needs
  8. 13. Two organs that remove oxygen from the air and pass it into your blood in the respiratory system
Down
  1. 1. Passage connecting your throat and lungs in the respiratory system
  2. 2. main organ in respiratory system
  3. 3. protect the lower respiratory tract from aspirating food into the trachea while breathing in the respiratory system
  4. 6. oxygen: main function in the respiratory system
  5. 7. organ that brings blood into the heart in the circulatory system
  6. 9. the most important function of the blood in the circulatory system
  7. 10. Tubes at the bottom of your windpipe that connect into each lung in the respiratory system