We can barely move our necks if we sleep in the wrong position. We die if our body temperature gets out of the very strict 36.5–37.5 °C/ 97 F to 99 F. Our bodies are indeed magnificent. They are just extremely weak by today's standards.
Discussion
We weren’t designed for survival. Hearts exposed, fragile limbs, eyes unprotected. Nature hates us.
Microbes die when boiled, and stars perish when they run out of nuclear fuel. What's your point?