NEET Biology question
Study the following in *Pheretima.*
I. Dorso intestinal blood vessels II. External intestinal plexus III. Internal intestinal plexus IV. Ventro intestinal blood vessel
Arrange the blood vessels in correct sequence of blood flow from ventral blood vessel to dorsal blood vessel. The correct sequence is
Answer: (D)
Solution
Blood leaving the ventral vessel first enters the intestine wall through the ventro-intestinal vessels (IV), passes through the external intestinal plexus (II), then the
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