VID-20260702-WA0002.mp4

Самолет врезался в самый высокий небоскреб Пекина

Московский НПЗ

What Happens to Your Body When You Eat One Boiled Egg? 🥚 #anatomy

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@drbahaadmourInside the Heart | Blood Leaves and Remains 🔄🫀 ────────── Your heart does not empty completely with every beat. 🔬 The left ventricular ejection fraction, or LVEF, measures how much blood the left ventricle pumps out during contraction. For example, an LVEF of 64% means the left ventricle ejects 64% of the blood volume it contains at the end of filling, while about 36% remains inside before the next heartbeat refills it. A value of 64% is within the usual normal range. Blood then