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 ❤️"

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"

Class 9 Biology chapter 2 - Tissue lecture 1