World of Biology on Instagram: "When Nature Needs a Helping Hand . . In rare cases, when the placenta does not detach naturally after childbirth, doctors may perform manual removal of the placenta. This involves carefully inserting a gloved hand into the uterus under anesthesia to separate and extract the placenta. The procedure helps prevent heavy bleeding (postpartum hemorrhage) and ensures no placental tissue is left behind, protecting the mother’s health. • • Video credit 📸 - Body talks 28

World of Biology on Instagram: "The sodium-potassium pump is a protein in the neuron's membrane that uses ATP to move three sodium ions out and two potassium ions into the cell, thereby restoring the resting potential necessary for nerve impulses. Animation credit - @ribosomestudio"

World of Biology on Instagram: "Blood Donation Guide - This animation clearly show how blood type compatibility works. The chart highlights who can donate to whom, and who can safely receive blood. It’s important to know this information, as it can save lives in emergencies and ensure safe transfusions. • • Video credit - Thanks to @thebrainmaze for this amazing Animation  . Follow for more ❤️"

Alex Fletcher on Instagram: "Check out this miniature hand built Saint Class Locomotive. This is my most viewed reel ever and doesn’t this stunning piece of kit deserve it. He said he built it “during lockdown”. It would take me more than a couple of years to build something like this. #steamlocomotive #steamtrain #livesteam #narrowgauge #modelrailway #modelrailroad"