Lub Dub: Sounds Systole Diastole //free\\

Diastole. The chamber expands. Pressure drops. Blood trickles in from the lungs. The aortic valve catches the wave, slamming the gate. This is the sound of receiving .

The marks Diastole . The ventricles relax. But wait—the blood tries to flow backward. Luckily, the pulmonary and aortic valves snap closed to stop it. That snapping echo? That’s your 'Dub.' lub dub sounds systole diastole

🔊 This is the loudest sound. It happens when the ventricles contract (Systole). The mitral and tricuspid valves snap shut, pushing blood up and out to your lungs and body. Think of it as the "Push." Diastole

The marks Systole . This is the heart's power move. The bottom chambers—the ventricles—squeeze tight. The valves between the upper and lower chambers (the AV valves) slam shut. That slamming door? That’s your 'Lub.' Blood trickles in from the lungs

Here is content written for the phrase broken down by format (social media, educational, and poetic). Option 1: Instagram/TikTok Caption (Educational & Engaging) Headline: Your heart’s secret rhythm: Lub Dub. 🫀🎧