The answers that fit the blanks are small intestine and small intestine, respectively. Dipeptidases are enzymes which are produced by the <span>enterocytes found in the small intestines. These enzymes act in the villi of the small intestines. The function of this enzyme is to break down amino acids and turn it into dipeptides.</span>
All the other answer choices are still dreamt of by many scientists and engineers. but you always see people wearing prosthetic legs. D is the obvious answer.
