O2 Advert | Switch-up-to-new
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O2 Advert | Switch-up-to-new
Ready to step into the future of technology? Explore the latest gadgets and connectivity options from O2: Browse Phones - https://www.o2.co.uk/shop/phones Best SIM-only deals - https://www.o2.co.uk/shop/sim-cards/sim-only-deals Upgrade to the new iPhone - https://www.o2.co.uk/iphone Samsung Galaxy options - https://www.o2.co.uk/samsung-galaxy ...
119.1K viewsAug 25, 2022
Oxygen Sensor Function
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 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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