Anatomy

🫀Heart Valves

4 valves

Four one-way valves that ensure blood flows in the correct direction through the heart. They open and close with each heartbeat, producing the characteristic 'lub-dub' sound.

Source: Wikipedia

💡The 'lub-dub' sound of a heartbeat comes from valves snapping shut -- 'lub' is the AV valves closing, 'dub' is the semilunar valves.

4 structures

🫀 tricuspid valve 🫀 mitral valve 🫀 pulmonary valve 🫀 aortic valve

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