Viral Explaining on Instagram: "A neuron sends a signal by extending an axon toward another neuron’s dendrites or cell body. Between them is a tiny gap called a synapse. When the signal reaches this point, the first neuron releases neurotransmitters — chemical messengers that cross the gap and bind to receptors on the next neuron. Depending on the message, the receiving neuron may: • Fire its own electrical signal • Or remain inactive This process happens trillions of times every second inside y