system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do humans have a system for eating and breathing that intersects?
gpt
Evolution only has to come up with something that works not the perfect something. As long as people and animals live long enough to breed and raise their young to breeding age then whatever physical traits they have will get passed on. The human body has many poor design faults such as the optic nerve in the eye being where it is which causes a blind spot which means the brain has to guess what is there and lie to the brain. That's why the optical illusion with the cross and spot works.