Have you ever wondered how your brain instantly recognizes your best friend’s face, or how your phone magically unlocks with just a glance? That’s the power of neurons — tiny cells inside your brain that constantly learn, connect, and make decisions faster than you can blink!Now imagine — what if we could teach machines to do the same? That’s exactly what scientists did — they created Artificial Neural Networks (ANNs), inspired by how our biological neurons work. Before diving into the artificial part, let’s first understand how a real neuron looks and functions.