People never cough, sneeze, blow their noses, or show any other symptoms of being in less than perfect health.
Only exception to the above is when they're dying. A cough is a symptom of terminal illness.
Menstruation is an unknown phenomenon in movies. Female movie characters are all immune from it.
You can eat as much as you want in a film and you'll never EVER have to go to the bathroom.
Vomit is portrayed by distant toilet flush. Nobody ever throws-up on the carpet.
On to Bombs.
Back to Biology/Genetics.
Back to Movie Cliches.