How Your Heart Works | 3D Anatomy & Blood Flow Animation

This video explains heart palpitations, their causes, and natural science-based ways to manage them, including hydration, electrolytes, stress reduction, herbs, and lifestyle changes. Educational | Evidence-based | Heart health #HeartPalpitations #HeartHealth #AnxietyRelief #NaturalHealing #DrNiwat @🌿NIWAT SCIENTIFIC HOSPITAL🌿 @Dr Nimoh English Niwat sci hos @Adwoalilybet

Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre