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The Surprising Mechanism Behind Airplane Oxygen Masks! 🤔✈️ #airplanemechanism #oxygen
How airplane oxygen masks actually work during an emergency. Most people assume these masks are connected to large oxygen tanks, but the reality involves a fascinating chemical reaction instead. Learn how pulling the mask triggers a reaction to provide breathable air for about ten minutes. Subscribe for more quick breakdowns of how everyday ...
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Oxygen Sensor Replacement
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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