
The story for kids
This is a macrophage, a big white blood cell and our protector. Watch how it crawls along and hunts harmful bacteria. Like an amoeba, it wraps around a germ and swallows it. The amoeba eats to feed itself, but the macrophage eats so that we don't get sick.
Facts
- A macrophage is a white blood cell that hunts germs.
- Like an amoeba, it surrounds and swallows harmful bacteria.
- An amoeba eats to feed itself, but a macrophage eats to protect us.
Numbers
- Size
- 0.02–0.05 mm
- Lives in
- In the blood and body
- Eats
- Germs, debris
- Job
- Protects us