#2 Choking on your food is called natural selection, and should stay as it is, in order to get rid of people that's so absent-minded they even f#*k up something as trivial as eating...

Are a 9grader ?

#11 We still have the genes, but they are broken and does not work.
#10 Like rodents? They must always chew on something to keep the front teeth from overgrowing.

Your gullet and your airtube are not the same.