Answer:
endothelium is the correct answer
Wet your hands with clean, running water (warm or cold), turn off the tap, and apply soap. Lather your hands by rubbing them together with the soap. Be sure to lather the backs of your hands, between your fingers, and under your nails. Scrub your hands for at least 20 seconds.
We know fatigue can cause drowsiness and so can the other so my best guess is drowsiness
D. Raw sausage from his hands can contaminate the pancakes.
