Cell size and scale

Cells are not visible to the naked eye. We need a microscope to magnify their size so we can see them and study them. But what unit can we use to measure them? Have you heard about nanometres? or micrometres? or Angstrom? These are common units to measure microscopic things.

Have a look to this fantastic webpage to discover the size of microscopic living things, cells and molecules and compare. Move the zoom bar to the right... and you will see...
Cell size and scale