A teacher was giving a lesson on the circulation of the blood. Trying >to make the matter clearer, she said, "Now, class, if I stood on my >head, the blood, as you know, would run into it, and I would turn red >in the face." > >"Yes," the class said. > >"Then why is it that while I am standing upright in the ordinary >position, the blood doesn't run into my feet?" > >A little fellow shouted, "Cause yer feet ain't empty." >

-- hillbilly (internethillbilly@hotmail.com), April 09, 2001