Friday, September 25, 2009
THEIR SECRET IS OUT OF THE CLOSET
Damn cockroaches, I always knew they had an ace up their feelers.
The little swines can hold their breath for up to 7 minutes.
They use air filled tubes called trachea to deliver oxygen directly to cells.
The trachea while delivering oxygen also carries water vapour out of the cells so they stop breathing to conserve water.
Investigating this meant examining cockroach breathing (I would so want a lot of loot to do that) under different conditions of oxygen, carbon dioxide and humidity. In dry air they opened their spiracles (air valves) for less time so they didn't lose as much water.
This proves that cockroaches resistant to pesticides could simply be holding their breath.
I knew it!
The only way to kill the little rotters is to bash them with the can of roach spray and finish them off with an iron bar.
Never mind a nuclear blast, it looks like they'll love climate change.
The one on the right is called Robert and the one on the left is called Robbert.