Ah Tim , I always appreciate your opinions.
I cannt play the links just now so I have to go by your words.
The Dodo bird ......flightless...trustworthy....was only found in Mauritius ...now extinct.
Do you think I'm going down the wrong path here about the human body? It's an interesting topic to explore. If I've got you right then I'll just stick to wikopedia facts and stay away from assumptions???