Identify the correct statements regarding the human blood. (i) It constitutes 30-35% of the total extracellular fluid. (ii) The volume of the blood in an adult is 5L. (iii) Glucose concentration in the blood is 50 mg/100 mL. (iv) Cholesterol concentration in the blood is 30 mg/100mL. (v) Urea level in the blood is 10 mg/100 mL.

• A. (i), (ii) and (iii)
• B.                    (iii), (iv) and (v)
• C. (iv) and (v)                                
• D. (i) and (ii)