The Diaphragm Beneath the Lungs
Age 8 · Science
Your diaphragm is a dome-shaped muscle under your lungs. When it flattens and moves down, your chest gets bigger and air flows into your lungs.
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Age 8: open this week
Browse Age 8In the picture
- The diaphragm: a dome-shaped muscle under the lungs that moves downward.
- The lungs: two pink air-filled organs in the chest.
- The rib cage: curved bones around the lungs.
- The nostrils: two openings where outside air enters the nose.
Examples
- Taking a deep breath before blowing out candles.
- The chest rising and falling while sleeping.
Key takeaways
- The diaphragm is a muscle.
- When it moves down, air enters the lungs.
Quiz: The Diaphragm Beneath the Lungs (Age 8)
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What kind of body part is the diaphragm?
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What happens when the diaphragm moves down?
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What shape is the diaphragm?
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