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Jena (@u7ena)’s video of a little bit of oxygen
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TikToku7ena
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
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Here's exactly what happens every time your heart beats 🫀 It starts wit…
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#science #popular #liquid | Science
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medical tests were failing…so they used geometry dash 🏥🤔📐
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The Amazon Doesn’t Make Our Oxygen… The Ocean Does 😳
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Booktok's Reaction to Oxygen & Flight Attendants
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