Respiratory and Circulatory Systems

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Across
  1. 3. _______ blood cells help fight diseases.
  2. 5. ____________ help your blood to clot when you have an injury.
  3. 8. ________________ are blood vessels that move blood away from the heart to the rest of your body.
  4. 10. The respiratory system takes in oxygen and gets rid of ____________ ___________.
  5. 12. Your lungs are filled with tiny air sacs called ____.
  6. 14. _______ blood cells carry oxygen and carbon dioxide throughout your body.
  7. 15. Your circulatory system is made up of your _______, blood and blood vessels.
Down
  1. 1. Our bodies need _______, food and water.
  2. 2. These are blood vessels that take blood carrying waste back to the heart.
  3. 4. When you inhale, your diaphragm ______.
  4. 6. Your respiratory system is made up of the _____ (hint: starts with T.)
  5. 7. Your heart, ______ and blood vessels make up your circulatory system.
  6. 9. When you exhale, your diaphram _______.
  7. 11. Your respiratory is made up of the _____ (hint: starts with D.)
  8. 13. Your respiratory system is made up of the _____ (hint: starts with L).