A) collecting vessel in first, two segments and distributing vessel in other
B) distributing vessel in first, five segments and distributing vessel in other
C) collecting vessel in first thirteen segments and distributing vessel in intestinal region
D) distributing vessel in first thirteen segments and collecting vessel in intestinal region
Correct Answer: D
Solution :
Dorsal vessels of Pheretima poslhuma both as a collecting and distributing vessel. It collects blood from the posterior region and distribute blood to first 13 segment.You need to login to perform this action.
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