| A. Dorso intestinal blood vessels |
| B. External intestinal piexus |
| C. Internal intestinal plexus |
| D. Ventro intestinal blood vessel |
A) \[D\to B\to A\to C\]
B) \[C\to A\to B\to D\]
C) \[B\to C\to D\to A\]
D) \[D\to B\to C\to A\]
Correct Answer: D
Solution :
There are five longitudinal blood vessels in Pheretima. Ventrointestinal blood vessels supplies blood to integumentary nephridia. The dorso intestinal blood vessel receives blood from intestine and a pair of commissural vessel.
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