Virus is a self-sustaining chemical system capable of Darwinian evolution. So if viruses aren't alive, what are they? I don't know because it would be weird to say that they're dead. Red blood cells have no genes. There's no way for them to grow and divide and replicate. And people will talk about the lifespan of red blood cells. You know, they basically are only around for a few months in your body. Then they die, then they get destroyed. But you think that something that has a lifespan is alive. What are these things? Are they alive or not? They have some of the characteristics of life. It's really important ones,