What is 3D bioprinting? 3D bioprinting is the utilization of 3D printing technologies to fabricate body parts. Bioprinters work in a similar way to 3D printers. However, instead of depositing ...

What is the immune system? The immune system works to keep germs and other foreign substances out of the body and destroy any that get in. It's made up of a complicated network of cells and organs. It ...