The pH value of blood is normally between

(A) 5.35 and 5.45
(B) 6.35 and 6.45
(C) 7.35 and 7.45
(D) 8.35 and 8.45

Answer: (C) 7.35 and 7.45
The pH value of blood is normally between 7.35 and 7.45.