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
Saline Township, Michigan. Saline Township is a civil township of Washtenaw County in the U.S. state of Michigan. The population was 1,896 at the 2010 census. The City of Saline is located at the northeast corner of the township, but is administratively autonomous. 1 Geography.