Hypodermic needle
Okay kiddo, a hypodermic needle is a really thin and sharp piece of metal that has a tiny hole at one end. It's usually used to give injections, which means putting medicine or vaccines into the body with the help of this needle.
When a doctor or nurse needs to give you a shot, they fill up the needle with the medicine or vaccine, then put the pointy end into your skin. The hole at the end is where the medicine or vaccine comes out of, and it goes directly into your body.
Don't worry, though - while getting a shot might hurt for a moment, it's an important way to keep you healthy and protected from sicknesses. And the needle is designed to be as safe and painless as possible.
When a doctor or nurse needs to give you a shot, they fill up the needle with the medicine or vaccine, then put the pointy end into your skin. The hole at the end is where the medicine or vaccine comes out of, and it goes directly into your body.
Don't worry, though - while getting a shot might hurt for a moment, it's an important way to keep you healthy and protected from sicknesses. And the needle is designed to be as safe and painless as possible.