1. Humans respire to supply their bodies with oxygen, which our cells use to produce ...... A. Nutrients B. Nitrogen C . Fats D. Energy
2. In the respiratory system the air moves down the windpipe and into the …….. A. Trachea B. Bronchioles C. Bronchi D. Alveoli
3. What structure prevents food from entering the windpipe during swallowing? A) Alveoli B) Bronchi C) Epiglottis D) Diaphragm
4. What is the name of the tiny air sacs in your lungs? A) Bronchioles B) Ravioli C) Alveoli D) Bronx
5. The voice box is also known as the: A) Alveoli B) Larynx C) Trachea D) Motormouth
6. In the respiratory system the air moves down the Bronchioles and into the …….. A. Trachea B. Bronchioles C. Bronchi D. Alveoli
7. The muscle responsible for moving air in and out of your lungs is the .....A) Heart B) Diaphragm C) Rib Cage muscle D) Biceps
8. The tiny hairs that keep mucus and dirt out of your lungs are called: A) Lung hairs B) Stubble C) Bronchioles D) Cilia
9. Which muscle helps humans breathe by contracting and relaxing? A) Heart B) Diaphragm C) Liver D) Kidney
10. What gas is taken in during inhalation? A) Carbon Dioxide B) Oxygen C) Nitrogen D) Hydrogen
11. What is the primary organ responsible for respiration in humans? A) Heart B) Liver C) Lungs D) Stomach
12. our body couldn’t breathe without this system. Which one is it? A) Perspiration system B) Respiratory system C) Photosynthesis D) Urinary system
13. Humans respire to supply their bodies with oxygen, which our cells use to produce ...... A. Nutrients B. Nitrogen C . Fats D. Energy
14. Which letter represents the diaphragm ?
15. What is the function of the part shown in the diagram ?
16. What structure prevents food from entering the windpipe during swallowing? A) Alveoli B) Bronchi C) Epiglottis D) Diaphragm
17. What tiny structures in the lungs are responsible for gas exchange? A) Bronchi B)Diaphragm C) Trachea D) Alveoli
18. 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
19. _________ is not good for your lungs. A) Exercising B) Singing C) Smoking D) Yelling
20. Another name for the Alveoli is the ......
21. Which part of the respiratory system carries air from the nose to the lungs? A) Esophagus B) Pharynx C) Trachea D) Intestine
Gavin Thomas
