Infectious diseases are caused by pathogens, remember? There are four types of pathogens: bacteria, fungi, protists and virus. One of our defenses against these pathogens are the white blood cells in our blood.
 |
| Definition of white blood cells in the Kids' Medical Dictionary |
- See our different body defenses.
- Click here if you want more information about blood.
- Click here if you want more information about the immune system.
- Learn how these white blood cells work with this game.
- Watch a video about the immune system.
Ni i'am from 5°a andi lo ve this blogs very much
ResponderEliminar