1) What is the respiratory system? a) a group of tissues and organs inside your body b) something made up of blood vessels c) a system outside your body d) what controls your muscles 2) What is the main function of the respiratory system? a) it has no function b) to make you move c) to let you breathe d) to circulate blood 3) Which of the following is a part of the respiratory system? a) leg b) nose c) heart d) bone e) blood 4) What is scientific name of the windpipe? a) lungs b) trachea c) larynx d) alveoli 5) What are your airways called? a) windpipes b) bronchi and bronchioles c) lungs d) alveoli 6) How many lungs do you have? a) 1 b) 2 c) 3 d) 4 7) True or false: One lung is slightly smaller than the other a) true b) false 8) Why is the left lung smaller than the right lung? a) to help you breathe better b) it isn't c) because it just is d) to make space for your heart

Respiratory system

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