More Information. Holly Recreation Area, located within the northern portion of Oakland County between Pontiac and Flint, is less than an hour's drive from the Detroit metropolitan area. The park's nearly 8,000 acres of rolling woodlands and open fields provides opportunities for a variety of outdoor activities.
The normal ranges for hematocrit are dependent on age and, after adolescence, the sex of the individual. The normal ranges are: Newborns: 55%-68%. One (1) week of age: 47%-65%. One (1) month of age: 37%-49%. Three (3) months of age: 30%-36%. One (1) year of age: 29%-41%. Ten (10) years of age: 36%-40%.
1 Hematocrit is the ratio of the volume of red cells to the volume of whole blood. The normal range for hematocrit varies between sexes and is approximately 45% to 52% for men and 37% to 48% for women.  Red cell count signifies the number of red blood cells in a volume of blood. The normal range in men is approximately 4.7 to 6.1 million cells/ul (microliter). The normal range in women range from 4.2 to 5.4 million cells/ul, according to NIH (National Institutes of Health) data.