The 3 Worst Things You Can Do to Your Chain ❌

How to check if the glass in your home is real or fake #facts #shorts

You’ll Wish You Had This Tool! #fishing #fishingtips

Experiments that should have been banned! ❌

@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