Question

If a pin is 0.001 m wide, how many Red Blood Cells could you line up across a pin?

Answer 1

if you count by a disk thickness of 2 µm, you could line up about 500 red blood cells. if you go by the standard 7 µm diameter, you would get around 142 (and I'm not guessing) red blood cells arcoss the pin. (for numbers: 0.001 m = 1 mm = 1000 µm)