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%.
Hematocrit (Hct) Levels. This is the ratio of the volume of red cells to the volume of whole blood. Normal range for hematocrit is different between the sexes and is approximately 45% to 52% for men and 37% to 48% for women.This is usually measured by spinning down a sample of blood in a test tube, which causes the red blood cells to pack at the bottom of the tube.his is the ratio of the volume of red cells to the volume of whole blood. Normal range for hematocrit is different between the sexes and is approximately 45% to 52% for men and 37% to 48% for women.