The Heart and Lungs

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Across
  1. 1. (6) Carries blood away from the heart.
  2. 3. (5) Heartbeat you can feel in your wrist.
  3. 5. (7) – Tiny air sacs where gas exchange happens.
  4. 9. (4) – This side sends blood around the body.
  5. 11. (9) – Lower heart chamber; pumps blood out.
  6. 13. (5) – Organs you use to breathe.
  7. 16. (5) Red liquid that carries oxygen and nutrients.
  8. 17. (9) Tiny blood vessels connecting arteries and veins.
Down
  1. 1. (6) Upper heart chamber; there are two.
  2. 2. (5) Organ that pumps blood around your body.
  3. 4. (6) – Gas (dioxide) breathed out as waste.
  4. 6. Gas carried in blood that cells need.
  5. 7. (6) – Breathing in air.
  6. 8. (4) Carries blood to the heart.
  7. 10. (5) – This side sends blood to the lungs.
  8. 12. (7) – Windpipe that carries air to the lungs.
  9. 14. (7) – Tubes that split off into the lungs.
  10. 15. (6) – Breathing out air.