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13. Excretion
A section of Biology, 5090
Listing 10 of 96 questions
is a simplified diagram of a nephron. structure P structure R fluid S structure Q blood out direction of blood flow blood in glomerulus Identify each of the structures labelled P, Q and R in . P Q R Name the organ which contains many nephrons. Name the organ that stores fluid S before it is released from the body. Table 4.1 shows the composition of a sample of fluid S from a healthy person. The person that provided the sample of fluid S eats a balanced diet. Table 4.1 component concentration / arbitrary units glucose 0.00 protein 0.00 ions 1.50 urea 2.00 State why it is important that urea is removed from the blood in fluid S. Use your knowledge of the function of a nephron to explain the concentration of each of the following components of fluid S. glucose protein Explain what would happen to the concentration of ions in fluid S if the person drank a large volume of water several hours before the sample was collected.
5090_s24_qp_22
THEORY
2024
Paper 2, Variant 2
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Questions Discovered
96