Question

How big is a human cell?

Answer 1

Human cell

1. A cell is the structural and fundamental unit of life.
2. Human beings are composed of millions and billions of cells.
3. The average size of a human skin cell is about 30 micrometers across.
4. A human sperm cell measures 50 micrometers in length.
5. All human cells except the red blood cells possess a nucleus.
6. Human cells can have various shapes and sizes depending on their functions.