What is the pH level of blood of a normal person?
✓ Correct answer: c) 7.35–7.45
ExplanationThe pH level of blood in a normal person typically ranges from 7.35 to 7.45. This is considered slightly alkaline and is crucial for maintaining the proper function of enzymes and other biochemical processes in the body.The normal pH range of blood is tightly regulated by the body through mechanisms like buffer systems (such as the bicarbonate buffer system) to prevent drastic shifts in pH that could be harmful.A pH below 7.35 is considered acidosis, while a pH above 7.45 is considered alkalosis.Both conditions can disrupt normal physiological processes.The body maintains this narrow pH range to ensure optimal conditions for enzyme activity, oxygen transport, and metabolic reactions.417
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