To put that into perspective:
* A micrometer (µm) is one millionth of a meter.
* A human hair is about 50 to 100 micrometers thick.
This means that most human cells are about 10 to 100 times smaller than the width of a human hair.
However, it's important to note that there is a wide range of sizes among human cells. Some cells, like nerve cells, can be much larger, extending up to a meter in length.