Mechanical Butterfly - Search Videos

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

TikTokdrdavidabbasi

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

Dr. David Abbasi, MD(@drdavidabbasi). original sound - Dr. David Abbasi, MD. 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 ...

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This sharpening really draws a crowd! ✏️ Standing 20 feet tall on the shores of Lake of the Isles in Minneapolis, this enormous No. 2 pencil started life as a 180-year-old bur oak tree that was damaged during a powerful windstorm in 2017. Rather than cutting it down, John and Amy Higgins commissioned an artist to turn it into a giant pencil. Believe It or Not!, hundreds of people gather to watch the pencil get professionally sharpened every year on the first Saturday of June. #ripleys #bion #rip

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