1) The tube that takes air into the lungs from the mouth is called the a) trachea b) esophagus c) air pipe d) throat 2) The two tubes that split off from the trachea into the two lungs a) broccoli b) bronchi c) bros d) split tube 3) The tubes that break off into lots of smaller tubes within each lung are called a) broccolinis b) bruvs c) bronchioles d) brachiosaurus 4) The microscopic air sacs at the end of the bronchioles that make your lungs spongey are called a) ravioli b) aioli c) tagliatelle d) alveoli 5) What gas is breathed in that travels from the lungs into the blood? a) oxygen b) carbon dioxide c) hydrogen d) nitrogen 6) What gas is breathed out that travels from the blood into the lungs? a) oxygen b) carbon dioxide c) nitrogen d) hydrogen 7) What shape are the pieces of cartilage that make up the trachia? a) C b) D c) E d) F 8) Respiration is a reaction that releases energy from food. What gas is required to react with the food to make this happen? a) Hydrogen b) Oxygen c) Carbon dioxide d) nitrogen 9) Is respiration the same as breathing? a) Yes b) No 10) Ventilation is the same as breathing. What are you trying to do when you breathe a) Get oxygen into the body and carbon dioxide out b) Get oxygen out of the body and carbon dioxide in

Ventilation System - Lung structure

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