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