[eli5] why are bugs so durable relative to their body weight?

Question

For example, why can you slap a fly mid-air and it’ll probably survive just fine, but if you scaled the same amount of force to the size of a human’s size/weight, they’d probably die?

In: 14

Answer 1

Here is a great video giving a fun animated explanation. This whole channel is pretty great if you like this sort of thing!