Question

The PH of human varies between .
(A) 7.0 to 7.8
(B) 7.1 to 7.8
(C) less than 5.6
(D) less than 5.5​

Answer 1

Answer:

(B) 7.1 to 7.8

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Answer 2

Answer:

Human life requires a tightly controlled pH level in the serum of about 7.4 (a slightly alkaline range of 7.35 to 7.45) to survive .

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