Respiratory systemBy Gavin Thomas / October 6, 2024 Welcome to your Respiratory system Name Teacher's Email Your School 1. What is the primary organ responsible for respiration in humans? A) Heart B) Liver C) Lungs D) Stomach A B C D None 2. What gas is taken in during inhalation? A) Carbon Dioxide B) Oxygen C) Nitrogen D) Hydrogen A B C D None 3. What tiny structures in the lungs are responsible for gas exchange? A) Bronchi B)Diaphragm C) Trachea D) Alveoli A B C D None 4. Which muscle helps humans breathe by contracting and relaxing? A) Heart B) Diaphragm C) Liver D) Kidney A B C D None 5. The muscle responsible for moving air in and out of your lungs is the .....A) Heart B) Diaphragm C) Rib Cage muscle D) Biceps A B C D None 6. What structure prevents food from entering the windpipe during swallowing? A) Alveoli B) Bronchi C) Epiglottis D) Diaphragm A B C D None 7. What structure prevents food from entering the windpipe during swallowing? A) Alveoli B) Bronchi C) Epiglottis D) Diaphragm A B C D None 8. Which part of the respiratory system carries air from the nose to the lungs? A) Esophagus B) Pharynx C) Trachea D) Intestine A B C D None 9. Humans respire to supply their bodies with oxygen, which our cells use to produce ...... A. Nutrients B. Nitrogen C . Fats D. Energy A B C D None 10. Humans respire to supply their bodies with oxygen, which our cells use to produce ...... A. Nutrients B. Nitrogen C . Fats D. Energy A B C D None 11. In the respiratory system the air moves down the windpipe and into the …….. A. Trachea B. Bronchioles C. Bronchi D. Alveoli A B C D None 12. In the respiratory system the air moves down the Bronchioles and into the …….. A. Trachea B. Bronchioles C. Bronchi D. Alveoli A B C D None 13. Another name for the Alveoli is the ...... air exchanger wind pipe air sac flute None 14. our body couldn’t breathe without this system. Which one is it? A) Perspiration system B) Respiratory system C) Photosynthesis D) Urinary system A B C D None 15. What is the name of the tiny air sacs in your lungs? A) Bronchioles B) Ravioli C) Alveoli D) Bronx A B C D None 16. _________ is not good for your lungs. A) Exercising B) Singing C) Smoking D) Yelling A B C D None 17. The tiny hairs that keep mucus and dirt out of your lungs are called: A) Lung hairs B) Stubble C) Bronchioles D) Cilia A B C D None 18. The voice box is also known as the: A) Alveoli B) Larynx C) Trachea D) Motormouth A B C D None 19. As you breathe, this contracts and flattens to give your lungs room to fill up with air: A) Larynx B) Lung balloon C) Diaphragm D) Bronchiole A B C D None 20. What is the function of the part shown in the diagram ? to carry nutrients from the capillaries into the blood during breathing to help the lung expand and contract make carbon dioxide to exchange oxygen and carbon dioxide between the lungs and the blood during breathing None 21. Which letter represents the diaphragm ? A B C D None Time's up
