The Tiny Rooms Inside You: Meet the Cell

Here is a surprising fact: your body is made of about 37 trillion tiny living units called cells. That is 37,000,000,000,000 — more than all the stars you can see in the night sky! Cells are so small you need a microscope to see most of them. Every muscle you move, every thought you think, and every breath you take happens because your cells are working. But what is actually inside a cell? Let's find out.