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- 1. Multiple Choice
What is organ Q?
Mouth
Lungs
Nose
Trachea
- 2. Multiple Choice
What is organ P?
Lungs
Mouth
Trachea
Nose
- 3. Multiple Choice
What is organ R?
Trachea
Nose
Mouth
Lungs
- 4. Multiple Choice
Inhaled air contains more __________ compared to exhaled air.
carbon dioxide
oxygen
nitrogen
hydrogen
- 5. Multiple Choice
Exhaled air contains more ___________ compared to inhaled air.
hydrogen
carbon monoxide
oxygen
carbon dioxide
- 6. Multiple Choice
Which of the following is the correct air passage when you inhale?
trachea -> lungs -> nose
lungs -> trachea -> nose
nose -> trachea -> lungs
nose -> lungs -> trachea
- 7. Multiple Choice
Which of the following is the correct air passage when you exhale?
nose -> trachea -> lungs
nose -> lungs -> trachea
lungs -> nose -> trachea
lungs -> trachea -> nose
- 8. Multiple Choice
When we inhale, our chest moves _______
upwards
downwards
no change
- 9. Multiple Choice
When we exhale, our chest moves ________.
upwards
downwards
no change
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