Okay kiddo, you know how sometimes your body gets things stuck in it that aren't supposed to be there? Like when you accidentally put a bead in your nose or when you swallow a penny? Well, sometimes doctors have to take those things out so you can feel better!
There are lots of different things that can get removed from the human body. Some of them are small, like little toys or beads, and some of them are big, like objects that get stuck in your throat or intestines. Doctors use special tools to gently take these things out so your body can get back to normal.
But it's not just things that don't belong in the body that get removed. Sometimes, people get sick and they need to have parts of their body taken out to make them feel better. For example, if someone has a bad appendix, doctors might need to remove it so it doesn't make them feel sick anymore.
Other things that can be removed from the body include tumors or growths, like when someone has a mole that needs to be taken off. And sometimes, people need organ transplants, which means a healthy organ from someone else is put into their body to replace a sick one.
So, that's the basic idea, kiddo. Doctors remove things from the body to help people feel better and be healthy again!