
The story for kids
This is a monocyte, the biggest white blood cell. It floats in the blood, ready to come and help. When it leaves the blood and goes to a place where there are germs, it turns into a macrophage and starts hunting.
Facts
- The monocyte is the biggest white blood cell.
- When it leaves the blood, it becomes a macrophage.
- It is always ready to come and help.
Numbers
- Size
- 0.015–0.02 mm
- Lives in
- In the blood
- Job
- Becomes a macrophage