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pH of blood in arteries and veins is :-
- a)More in veins and less in arteries
- b)More in arteries and less in veins
- c)same
- d)Not definite
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
pH of blood in arteries and veins is :-a)More in veins and less in art...
pH is a measure of the amount of hydrogen ion present in a solution. Thus, a high level of H+ is a low pH (or an acid environment) while a low level of H+ is a high pH (or an alkali or basic environment).
Veins have a slightly lower pH than arteries. This is because the blood circulates through working tissues in our bodies, and drops off oxygen, and picks up carbon dioxide.
Carbon dioxide in water forms a weak acid. In arteries, they carry oxygenated blood, and less carbon dioxide, so the pH is more.
In veins, there is less oxygen and more carbon dioxide which is acidic so the blood in veins has less pH.
So, the correct answer is option B.
So, the correct answer is option B.
This question is part of UPSC exam. View all NEET courses
Most Upvoted Answer
pH of blood in arteries and veins is :-a)More in veins and less in art...
Venous blood carries metabolites and waste products namely carbon dioxide and acids produced by the glucose burnt inside the cell. both cause the ph to fall in the venous blood compared to arteries.
Community Answer
pH of blood in arteries and veins is :-a)More in veins and less in art...
When blood leaves the venous system,the bicarbonate and chloride ions exchange.this results in higher chloride concentrations in the venous blood.hence the pH is changed.venous blood will have a lower pH than arterial blood. additionally, increased levels of CO2 in the venous system also play a role in regulating pH.
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pH of blood in arteries and veins is :-a)More in veins and less in arteriesb)More in arteries and less in veinsc)samed)Not definiteCorrect answer is option 'B'. Can you explain this answer?
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