Revisiting brain regions, courtesy of Pinky and the Brain. https://www.youtube.com/watch?v=snO68aJTOpM (Incidentally, I named my first neuroscience review paper "Dyspnoea and the Brain" partly in honour of this comic, fully expecting the title to be dismissed by colleagues and journal alike. It wasn't. Nobody has spotted the connection yet, sadly.)
As easy as breathing? It may seem like it, but breathing is actually no easy process. It involves the precise integration of several systems, including, of course, the pulmonary and cardiovascular systems (gas exchange and transport, respectively). However, it also requires the direct involvement of the central nervous system: the brain. The drive to breathe … Continue reading Breathing on the brain
Bird's eggs contain everything that the chick needs, except oxygen. So how exactly does the egg 'breathe'? First, the shell needs to be permeable to gases. The shell consists of a calcium carbonate outer layer, with two shell membranes beneath. A typical outer shell of a hen's egg holds about 10,000 pores, each less than … Continue reading How do eggs breathe?