This time it is all about insects and their respiratory systems?! They represent so much of the biomass on earth.

Depending on the study and methods used there is more weight on earth within insects than humans. With over 8 billion humans and each of us weighs a lot more than an insect…… There are a lot of them. They form the backbone of many ecosystems.

Today though we will specifically focus on their respiratory system. How do they breathe? It is not like they have lungs like we do. Or gills like fish. I vaguely remember grade school biology and going over the number of legs and like.

You know what? I have never given it much thought. But now that I have …… I am intrigued!

Stealing the words from todays guest “With over 1 million identified species of insects, they’re a great vehicle for studying evolution There are all  ...