What Makes The Lub Dub Sound _verified_ [EXTENDED ✮]

🔊 → Your mitral & tricuspid valves close right after the heart squeezes blood to the lungs and body. This stops blood from flowing backward into the upper chambers.

Here’s a social media post (Instagram, Twitter, Facebook) explaining the “lub-dub” sound: what makes the lub dub sound

👂 The pause between lub and dub? That’s your heart filling with blood. The pause after dub? That’s your heart resting before the next beat. 🔊 → Your mitral & tricuspid valves close

#HeartHealth #LubDub #CardiologyExplained #ScienceFacts #Anatomy what makes the lub dub sound

It’s not the heart muscle contracting — it’s your !

Ever wondered what makes that classic ❤️ lub-dub ❤️ sound when you listen to a heartbeat?