1. The respiratory system helps us ______. breathe
a) exhale (ausatmen)
b) breathe (atmen)

2. It brings ______ into the body. oxygen
a) oxygen (Sauerstoff)
b) carbon dioxide (Kohlendioxid)

3. Oxygen is important for ______. energy
a) recovery (Erholung)
b) energy (Energie)

4. The windpipe carries air to the ______. lungs
a) lungs (Lungen)
b) nose (Nase)

5. The alveoli are tiny ______ in the lungs. air sacs
a) air sacs (Luftsäcke)
b) bronchi (Bronchien)

6. Nurses monitor oxygen levels using a ______. pulse oximeter
a) pulse oximeter (Pulsoximeter)
b) stethoscope (Stethoskop)

7. Chemotherapy can weaken the ______. immune system
a) respiratory system (Atmungssystem)
b) immune system (Immunsystem)

8. Doctors listen to the lungs with a ______. stethoscope
a) stethoscope (Stethoskop)
b) pulse oximeter (Pulsoximeter)

9. A tumor in the chest can block the ______. airway
a) airway (Atemweg)
b) alveoli (Alveolen)

10. Air enters through the ______. nose and mouth
a) lungs (Lungen)
b) nose and mouth (Nase und Mund)

11. Oxygen goes from the lungs into the ______. blood
a) blood (Blut)
b) bronchi (Bronchien)

12. Carbon dioxide goes out when we ______. exhale
a) breathe (atmen)
b) exhale (ausatmen)

13. Healthy lungs are important for ______. recovery
a) recovery (Erholung)
b) breathing (Atmung)

14. Nurses check breathing in ______ children. sick
a) healthy (gesunde)
b) sick (kranke)

15. Infections can harm the ______ system. respiratory
a) digestive (Verdauung)
b) respiratory (Atmung)

16. Children with cancer need good ______. breathing
a) breathing (Atmung)
b) eating (Essen)

17. A child’s breathing may ______ during treatment. change
a) improve (verbessern)
b) change (ändern)

18. Cancer treatments can affect ______. breathing
a) appetite (Appetit)
b) breathing (Atmung)

19. Lungs are a key part of the ______ system. respiratory
a) respiratory (Atmung)
b) circulatory (Kreislauf)

20. Doctors listen to the ______ with a stethoscope. lungs
a) heart (Herz)
b) lungs (Lungen)