Vitamin D2 and vitamin D3 are the forms of vitamin D most important to human health, according to the Mayo Clinic. Vitamin D2 is manufactured by plants, while vitamin D3 is manufactured in the skin when it's exposed to the sun.
Population in families living in Washtenaw County ; Total Population: 238,069; Population Under 18 years: 70,878; Population 18 years and over: 167,191
Michigamme is an unincorporated community in Marquette County of the U.S. state of Michigan. It is a census-designated place (CDP) for statistical purposes and without any legal status as a municipality. As of the 2000 census, the CDP population was 287.