February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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21Excretion OsmoregulationMedium1 mark
The table shows the composition of blood entering and leaving the kidneys and liver. Which row is correct?
highest concentration of urea in the bloodlowest concentration of urea in the blood
Aentering kidneysleaving liver
Bentering kidneysentering liver
Cleaving kidneysentering liver
Dleaving kidneysleaving liver