There are not many enzymes that the small intestine produces. They are mostly secreted by the pancreas. Aminopeptidase is an example. The small intestine also produces enzymes used in digestion but don't actually break up food molecules.These activate other enzymes. An example is enterokinase.minopeptidase is an example. The small intestine also produces enzymes used in digestion but don't actually break up food molecules. These activate other enzymes. An example is enterokinase.
World War I: Woodrow Wilson World War II: Franklin Roosevelt, until he died a few months before the end of the war, then Harry Truman During World War I, Woodrow Wilson was president and during Worl War II, Franklin Delano Roosavelt.
Before becoming the 41st President of the U.S., George H. W. Bush served as the 43rd Vice President, an ambassador, a congressman, and Director of Central Intelligence. He served as a U.S. Navy aviator during World War II. After the war he attended and graduated from Yale in 1948.