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Class 10 CBSE SCIENCE ALL CHAPTER
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CBSE Class 10 Maths Sample paper ( 2025-2026)

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Happy new year 2026 ❤️

सुने है तुम maths में topper हो 🔥 तो commment में बताओ H = ?
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*Why Do We Yawn? 🤔💨*

Ever found yourself yawning mid-work, in class, or even while scrolling through your feed? 😴
You’re not alone — yawning is one of those _universal human things_ we all do… but _why_?

🧠 Science Behind the Yawn:
Yawning is your brain’s way of *resetting* — like a mini reboot! When we’re tired, bored, or stressed, our brain temperature rises slightly… and yawning helps cool it down 🥶. Plus, it increases oxygen flow and stretches your jaw muscles — nature’s little stretch-and-reset combo!

💡 Fun Facts:
- Yawns are contagious — thanks to mirror neurons! 👀
- Babies yawn even in the womb! 🤰
- Some scientists think yawning helps regulate brain pressure or alertness.

🧘‍♂️ When You Yawn Most:
- After waking up 🛌
- Before bedtime 🌙️
- During boring meetings (guilty!) 😅
- When you’re stressed or anxious

So next time you yawn — don’t fight it! Embrace it as your brain’s secret power move. 💪

*Tag someone who yawns more than you do! 👇*


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Let me know if you want a shorter version, meme-style caption, or one tailored for students/teachers! 😊📚