Question 27
ExcretionUse the diagram (Fig. 1, a section of a mammalian kidney) to answer this question. Reabsorption of useful materials takes place in the parts labelled

- A.1 and 3
- B.3 and 5
- C.5 and 6
- D.6 and 7
- E.2 and 4.
Show the answer and explanation
Answer: E (2 and 4.)
Explanation
Useful substances are taken back into the blood from the kidney tubules, which run through the cortex (2) and down into the inner region (4); 1 is the capsule and 5, 7 and 8 are tubes and vessels.