Do you worry about getting sick every time you hear someone sneeze nearby?
When the body is under attack by super-villains like bacteria and viruses, monocytes show up to save the day!
These superheroes are the largest and most powerful white blood cells in the human immune system. One of their special attacks is transforming into a macrophage, which allows them to 'munch' on the bad guys. They also use parts of the invading bacteria as a signal to other white blood cells. This announces that there is danger, and creates a team of super-hero defense! Learn More: http://bit.ly/1N5QJNM