Title | : | How Your Immune System Works |
Duration | : | 7 minutes, 26 seconds |
Uploader | : | Nemours KidsHealth |
Added On: | : | 24 September, 2014 |
Views | : | 7.4M times |
Likes | : | 0 |
Source | : | YouTube |
When you get sick, your immune system comes to the rescue. Find out more in this movie for kids