At 4:08 PM -0800 3/12/98, <pspangle at global.california.com> wrote:
> (Humans have cilia on the inner walls of
>the intestines to move food along, and something like interlocked
>cilia form muscles.) It helped if the cells could detect the
>waste products of their prey and thus direct their motion towards
>it.
>rlh replies:
Vertebrates (including humans) lack cilia in the gut. Cilia are found in
the trachea and upper respiratory tract and in the urogenital tract.
Richard Hall
Comparative Animal Physiologist
Division of Sciences and Mathematics
University of the Virgin Islands
St. Thomas, USVI 00802
809-693-1386
rhall at uvi.edu
