I believe your answer would be C) Septum.
Yes every thing is correct and it is important about all surgery because people can die because my great grandmother had 6 bypasses we thought she was going to die we are glad she didn't
So the enzymes in your stomach are most likely there to help you disguest your food. Also they make sure everything is good in your stomach.
She should detrmine if the matress is wet if no then get a new cover
