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.
During the majority of the Great Depression, the President of the United States of America was Franklin Delano Roosevelt. However, the Great Depression began in 1929, when Herbert Hoover was in office. Franklin Roosevelt did not assume the presidency until 1933. Continue Reading.