Blood in the body is different to a buffered solution held in a beaker. This is because hydronium (hydrogen) ions can be removed from solution in blood almost immediately by:

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2022-09-12

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Blood in the body is different to a buffered solution held in a beaker. This is

because hydronium (hydrogen) ions can be removed from solution in blood

almost immediately by:

filtration in the kidney from where it is eliminated from the body in urine.
combining with hydroxide ions to form water which is eliminated as urine.
combining with bicarbonate to form carbonic acid which disassociates to water and carbon dioxide which is breathed out.
reacting with mono-hydrogen phosphate to form di-hydrogen phosphate.

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saraalalwane

2022-09-12

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C: This is the best answer as it describes the buffer action and the

continuous nature of exhalation means that there is no delay in excreting carbon

dioxide. Choice A is also correct, but the elimination of acid via kidneys is not

immediate.

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