Which one of the following is a matching pair of a certain body feature and its value/count in a normal human adult
A. Urea 5 - 10 mg/100 ml of blood
B. Blood sugar 80-100 mg/100 ml
C. Total blood volume 3-4 litres
D. ESR in Wintrobe method 9-15 mm per hour in males and 20-34 mm per hour in females
