Do you know everything about the respiratory system? Let's see!
Let's test your knowledge about the respiratory system!!
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1. What is the main organ of the respiratory system?
Heart
Lungs
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2. Which gas do we inhale from the air?
Oxygen
Carbon dioxide
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3. What is the function of the diaphragm?
Helps in breathing
Pumps blood
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4. Where does gas exchange occur in the lungs?
Alveoli
Trachea
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5. What protects the lungs and helps them expand?
Ribs
Stomach
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6. Which tube carries air from the nose to the lungs?
Trachea
Esophagus
