Today we are starting a series of three extremely interesting articles explaining the basic principles of living organisms on our planet. Among them, the rule of the 3/4 comes to the fore.
The respiratory system of insects consists of a system of gaps - tracheas and spiracles - holes scattered over the surface of the body through which air under atmospheric pressure is pushed into the body. It is a simple and reliable system, but it only works well over a distance of a few centimeters. 300 million years ago, in