
In one line
The smallest bone in the human body is the stapes, found in your ear.

The stapes bone, the smallest bone in the human body, from the Wikipedia article 'Stapes'.
Image: Wikipedia

The rule
The stapes is the tiniest bone in the human body, located in the middle ear.

Let's understand it simply
Imagine something smaller than a grain of rice. That’s the stapes (also called the stirrup bone). It sits inside your ear and helps you hear sounds.

Remember it
Stapes = Smallest bone, found in the ear.
Quick recap
- The stapes is the smallest bone in your body.
- It is found in the middle ear.
- It helps you hear by passing sound vibrations.