The answer would be A, regulating the content of processed foods. There are so many processed foods in today's society that it is extremely difficult to avoid them.
Hope this helps
Founded in 1893 as the American Society of Superintendents of Training Schools for Nurses, the National League for Nursing was the first nursing organization in the United States. Headquartered in Washington DC, the NLN is led by a board of governors elected at large by the membership for three-year terms.
The chef must first clean his hands before touching the bread
Well mechanical digestion involves physically breaking the food into smaller pieces but chemical digestion involves breaking down into simpler nutrients that can be used by cells.
I think the answer would be, The Pericardium.