The answer is 8th Amendment
Communication skills to be able to talk to press and people who may have questions. Strategy and thinking, how to analyze a situations and the best options to set into motion for whatever set plan. A president also needs a presence and manipulative skills to be able to win people over with their words.
Answer: 20% goes into the bloodstream and then the rest goes to the Stomach and Small Intestine as well as the Liver.