[问答题]
The diagram below is a
l vs*nxmw 9 xt3t3ut,8gno au*6,l2z(mit2zvsim
.hdpix6 po:2(f1qz*2jozgv k ple outline of the nephron.
1.Name the structures labelled I, II, III and IV in the diagram.
2.State the functions of structures I and II from part (a).
3.Insects do not have kidneys or nephrons; they have the Malpighian tubule system instead. Compare and contrast the Malpighian tubule system with the nephron.
