This communication is the bedrock of its function, and without it I think the immune system would just be like a car with no tires! Nice analogy on the car tires, it definitely passes the point across without having to swim through the ocean of jargons associated with immunology.
PS: I love the picture of duetting sheep, funny AF

I don't know if you've covered it before, I'd like you to do a post on razor bumps in black men.