Curated Video
Toxoplasmosis: Can Your Cat Make You Go Crazy?
Toxoplasma gondii, is a unicellular parasite that changes the behavior of its host! A 2002 study showed that people who had toxoplasmosis got into more car accidents than uninfected people. Later research, in rats (another host) and...
msvgo
Exchange of Gases
It explains the process of gas exchange: dffusion, sites of gas exchange, factors favouring gas exchange and exchange of oxygen.