So to destroy dangerous agents that can harm the healthy cells of our body, for example, cancer cells, infected cells or any type of damaged cell will undergo apatosis to kill itself off. So this is why what about how how does apatosis actually take place? Well, there are three very common mechanisms by which apatosis takes place. Mechanism number one is called intrinsic pathway. Mechanism number two is called the extrinsic pathway. And mechanism Three involves a molecule known as apatosis inducing factor, or AIF.