There is a protective layer of mucus covering the walls of the stomach so that the gastric juices don't actually digest the stomach (just the stuff inside the stomach).
This is called medical record.
My Opinion is B because depression is like suicide because both make you feel like killing yourself.
Get away from or deal with her stressful problem and talk to her doctor about her sleeping issues. let me know if this helps.
Your pulse can show you so much things! You can try to detect murmurs, or irregular heart beats, or you can see if your heart rate is in a healthy zone.