Essential fat makes up % of total body weight in men and % of total body weight in women.

Their chemical breakdown begins in the stomach and continues in the large intestine. Proteolytic enzymes, including trypsin and chymotrypsin, are secreted by the pancreas and cleave proteins into smaller peptides. Carboxypeptidase, which is a pancreatic brush border enzyme, splits one amino acid at a time.

It is 3-5% for men and 8-12% in women.:) These flashcards might help as well https://quizlet.com/21157584/fitness-for-life-6-flash-cards/ 
I hope I helped!