Image: CanvaFew creatures have earned a reputation for resilience quite like the cockroach. It can survive extreme temperatures, withstand surprisingly high levels of radiation compared with humans and squeeze through impossibly narrow gaps. Yet perhaps its most astonishing ability is surviving for days after losing its head. While the idea sounds like an urban myth, it is firmly grounded in insect biology. Unlike mammals, cockroaches do not rely on a single organ to control breathing or circulate oxygen throughout the body. Instead, their unique anatomy allows many vital functions to continue even after decapitation. Scientists say the insect ultimately dies not from the injury itself, but because it can no longer drink water, making dehydration the final cause of death.Cockroaches don't