1) Where air should enter to get "cleaned" before going to the lungs. Sense of smell that helps you taste too. a) Mouth b) Nose c) Ears d) Eyes 2) Also called the voicebox because there are 2 white bands of cartilage that vibrate when we speak. a) Trachea b) Larynx c) Epiglottis d) Nose 3) You have 2 of these organs, filled with small air tubes.   a) Trachea b) Lungs c) Epiglottis 4) The main U-shaped tube that leads to the 2 bronchi. Your larynx is at the top of it. It is always open a) epiglottis b) trachea c) esophagus d) lungs 5) The tiny air sacs covered with blood vessels at the end of the small tubes inside your lungs. a) ravioli b) alveoli c) bronchioli 6) The gases you have to get out of your lungs (they travel in your blood from your body cells.) a) Oxygen and Carbon dioxide b) Carbon dioxide and water vapor c) Oxygen and Water Vapor d) Nitrogen and Oxygen 7) The gas you need to inhale so it gets into your blood, to go to your cells. a) Nitrogen b) Oxygen c) Water Vapor d) Carbon Dioxide 8) Why do your cells need oxygen? a) To breathe b) To help make energy ATP 9) The air we breathe in is mainly this gas a) oxygen b) nitrogen c) carbon dioxide CO2 10) An upper respiratory infection can infect your larynx, trachea, alveoli, etc. a) True b) False

Respiratory Organs

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