Biology 0610 · IGCSE · Excretion in humans

Excretion in humans — practice question

The table gives the concentration of sodium ions in blood plasma, in glomerular filtrate (the liquid that passes through the glomerulus) and in urine. What is the percentage concentration of sodium ions reabsorbed in the kidney tubules?

  • A0.0\%
  • B9.9\%
  • C10.9\%
  • D14.0\%

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