Question: How do we collect cells and see them if they are so small?

Larissa Melo Chicoski answered on 15 Jan 2025:

As the cell is part of all living structures, we can collect it in several ways. From the skin, for example, when you scratch someone you are already collecting cells! When you go to the doctor and they collect blood from you they are also collecting cells. Our dog or cat’s hair is also made up of cells! For see them, we need to color them with special laboratory dyes and then place them in equipment called a microscope, which has the ability to magnify objects by 10x, 25x, 100x or even millions of times, depending on the power. This way we can be sure what the cells we are seeing are like