It is the epiglottis.
When MBR fails then the operating system will not load.
Epiglotis
epiglotis
See http://www.fivecentnickel.com/2008/09/22/what-happens-to-your-mortgage-if-your-bank-fails/
The epiglottis is a lid-like flap of elastic cartilage tissue covered with a mucous membrane, attached to the root of the tongue.One can spell it either way: epiglotis or epiglottis.
Try it
you would die
You will have to go to a doctor.
If your digestive system fails you will suffer and possibly die from malnutrition.
epiglotis
When interpositional reconstruction fails, total joint replacement may be necessary